Question: What are the benefits of kubectl replace?

Answer: kubectl replaceSynopsisReplace a resource by file name or stdin.JSON and YAML formats are accepted. If replacing an existing resource, the complete resource spec must be provided. This can be obtained by $ kubectl get TYPE NAME -o yaml kubectl replace -f FILENAME Examples # Replace a pod using the data in pod.json kubectl replace -f ./pod.json # Replace a pod based on the JSON passed into stdin cat pod.json | kubectl replace -f - # Update a single-container pod's image version (tag) to v4 kubectl get pod mypod -o yaml | sed 's/\(image: myimage\):.*$/\1:v4/' | kubectl replace -f - # Force replace, delete and then re-create the resource kubectl replace --force -f ./pod.json Options--allow-missing-template-keys Default: trueIf true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.--cascade string[="background"] Default: "background"Must be "background", "orphan", or "foreground". Selects the deletion cascading strategy for the dependents (e.g. Pods created by a ReplicationController). Defaults to background.--dry-run string[="unchanged"] Default: "none"Must be "none", "server", or "client". If client strategy, only print the object that would be sent, without sending it. If server strategy, submit server-side request without persisting the resource.--field-manager string Default: "kubectl-replace"Name of the manager used to track field ownership.-f, --filename stringsThe files that contain the configurations to replace.--forceIf true, immediately remove resources from API and bypass graceful deletion. Note that immediate deletion of some resources may result in inconsistency or data loss and requires confirmation.--grace-period int Default: -1Period of time in seconds given to the resource to terminate gracefully. Ignored if negative. Set to 1 for immediate shutdown. Can only be set to 0 when --force is true (force deletion).-h, --helphelp for replace-k, --kustomize stringProcess a kustomization directory. This flag can't be used together with -f or -R.-o, --output stringOutput format. One of: (json, yaml, name, go-template, go-template-file, template, templatefile, jsonpath, jsonpath-as-json, jsonpath-file).--raw stringRaw URI to PUT to the server. Uses the transport specified by the kubeconfig file.-R, --recursiveProcess the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory.--save-configIf true, the configuration of current object will be saved in its annotation. Otherwise, the annotation will be unchanged. This flag is useful when you want to perform kubectl apply on this object in the future.--show-managed-fieldsIf true, keep the managedFields when printing objects in JSON or YAML format.--subresource stringIf specified, replace will operate on the subresource of the requested object.--template stringTemplate string or path to template file to use when -o=go-template, -o=go-templat


Question: What is Synopsis?

Answer: R e p l a c e   a   r e s o u r c e   b y   f i l e   n a m e   o r   s t d i n .   J S O N   a n d   Y A M L   f o r m a t s   a r e   a c c e p t e d .   I f   r e p l a c i n g   a n   e x i s t i n g   r e s o u r c e ,   t h e   c o m p l e t e   r e s o u r c e   s p e c   m u s t   b e   p r o v i d e d .   T h i s   c a n   b e   o b t a i n e d   b y   $   k u b e c t l   g e t   T Y P E   N A M E   - o   y a m l   k u b e c t l   r e p l a c e   - f   F I L E N A M E


Question: What is Examples?

Answer: #   R e p l a c e   a   p o d   u s i n g   t h e   d a t a   i n   p o d . j s o n   k u b e c t l   r e p l a c e   - f   . / p o d . j s o n   #   R e p l a c e   a   p o d   b a s e d   o n   t h e   J S O N   p a s s e d   i n t o   s t d i n   c a t   p o d . j s o n   |   k u b e c t l   r e p l a c e   - f   -   #   U p d a t e   a   s i n g l e - c o n t a i n e r   p o d ' s   i m a g e   v e r s i o n   ( t a g )   t o   v 4   k u b e c t l   g e t   p o d   m y p o d   - o   y a m l   |   s e d   ' s / \ ( i m a g e :   m y i m a g e \ ) : . * $ / \ 1 : v 4 / '   |   k u b e c t l   r e p l a c e   - f   -   #   F o r c e   r e p l a c e ,   d e l e t e   a n d   t h e n   r e - c r e a t e   t h e   r e s o u r c e   k u b e c t l   r e p l a c e   - - f o r c e   - f   . / p o d . j s o n


Question: What is Options?

Answer: I f   t r u e ,   i g n o r e   a n y   e r r o r s   i n   t e m p l a t e s   w h e n   a   f i e l d   o r   m a p   k e y   i s   m i s s i n g   i n   t h e   t e m p l a t e .   O n l y   a p p l i e s   t o   g o l a n g   a n d   j s o n p a t h   o u t p u t   f o r m a t s .   M u s t   b e   " b a c k g r o u n d " ,   " o r p h a n " ,   o r   " f o r e g r o u n d " .   S e l e c t s   t h e   d e l e t i o n   c a s c a d i n g   s t r a t e g y   f o r   t h e   d e p e n d e n t s   ( e . g .   P o d s   c r e a t e d   b y   a   R e p l i c a t i o n C o n t r o l l e r ) .   D e f a u l t s   t o   b a c k g r o u n d .   M u s t   b e   " n o n e " ,   " s e r v e r " ,   o r   " c l i e n t " .   I f   c l i e n t   s t r a t e g y ,   o n l y   p r i n t   t h e   o b j e c t   t h a t   w o u l d   b e   s e n t ,   w i t h o u t   s e n d i n g   i t .   I f   s e r v e r   s t r a t e g y ,   s u b m i t   s e r v e r - s i d e   r e q u e s t   w i t h o u t   p e r s i s t i n g   t h e   r e s o u r c e .   N a m e   o f   t h e   m a n a g e r   u s e d   t o   t r a c k   f i e l d   o w n e r s h i p .   T h e   f i l e s   t h a t   c o n t a i n   t h e   c o n f i g u r a t i o n s   t o   r e p l a c e .   I f   t r u e ,   i m m e d i a t e l y   r e m o v e   r e s o u r c e s   f r o m   A P I   a n d   b y p a s s   g r a c e f u l   d e l e t i o n .   N o t e   t h a t   i m m e d i a t e   d e l e t i o n   o f   s o m e   r e s o u r c e s   m a y   r e s u l t   i n   i n c o n s i s t e n c y   o r   d a t a   l o s s   a n d   r e q u i r e s   c o n f i r m a t i o n .   P e r i o d   o f   t i m e   i n   s e c o n d s   g i v e n   t o   t h e   r e s o u r c e   t o   t e r m i n a t e   g r a c e f u l l y .   I g n o r e d   i f   n e g a t i v e .   S e t   t o   1   f o r   i m m e d i a t e   s h u t d o w n .   C a n   o n l y   b e   s e t   t o   0   w h e n   - - f o r c e   i s   t r u e   ( f o r c e   d e


Question: What is Parent Options Inherited?

Answer: U s e r n a m e   t o   i m p e r s o n a t e   f o r   t h e   o p e r a t i o n .   U s e r   c o u l d   b e   a   r e g u l a r   u s e r   o r   a   s e r v i c e   a c c o u n t   i n   a   n a m e s p a c e .   G r o u p   t o   i m p e r s o n a t e   f o r   t h e   o p e r a t i o n ,   t h i s   f l a g   c a n   b e   r e p e a t e d   t o   s p e c i f y   m u l t i p l e   g r o u p s .   U I D   t o   i m p e r s o n a t e   f o r   t h e   o p e r a t i o n .   D e f a u l t   c a c h e   d i r e c t o r y   P a t h   t o   a   c e r t   f i l e   f o r   t h e   c e r t i f i c a t e   a u t h o r i t y   P a t h   t o   a   c l i e n t   c e r t i f i c a t e   f i l e   f o r   T L S   P a t h   t o   a   c l i e n t   k e y   f i l e   f o r   T L S   T h e   n a m e   o f   t h e   k u b e c o n f i g   c l u s t e r   t o   u s e   T h e   n a m e   o f   t h e   k u b e c o n f i g   c o n t e x t   t o   u s e   I f   t r u e ,   o p t - o u t   o f   r e s p o n s e   c o m p r e s s i o n   f o r   a l l   r e q u e s t s   t o   t h e   s e r v e r   I f   t r u e ,   t h e   s e r v e r ' s   c e r t i f i c a t e   w i l l   n o t   b e   c h e c k e d   f o r   v a l i d i t y .   T h i s   w i l l   m a k e   y o u r   H T T P S   c o n n e c t i o n s   i n s e c u r e   P a t h   t o   t h e   k u b e c o n f i g   f i l e   t o   u s e   f o r   C L I   r e q u e s t s .   P a t h   t o   t h e   k u b e r c   f i l e   t o   u s e   f o r   p r e f e r e n c e s .   T h i s   c a n   b e   d i s a b l e d   b y   e x p o r t i n g   K U B E C T L _ K U B E R C = f a l s e   f e a t u r e   g a t e   o r   t u r n i n g   o f f   t h e   f e a t u r e   K U B E R C = o f f .   R e q u i r e   s e r v e r   v e r s i o n   t o   m a t c h   c l i e n t   v e r s i o n   I f   p r e s e n t ,   t h e   n a m e s p a c e   s c o p e   f o r   t h i s   C L I   r e q u e s t   P a s s w o r d   f o r   b a s i c   a u t h e n t i c a t


Question: What is See Also?

Answer: k u b e c t l   -   k u b e c t l   c o n t r o l s   t h e   K u b e r n e t e s   c l u s t e r   m a n a g e r   T h i s   p a g e   i s   a u t o m a t i c a l l y   g e n e r a t e d .   I f   y o u   p l a n   t o   r e p o r t   a n   i s s u e   w i t h   t h i s   p a g e ,   m e n t i o n   t h a t   t h e   p a g e   i s   a u t o - g e n e r a t e d   i n   y o u r   i s s u e   d e s c r i p t i o n .   T h e   f i x   m a y   n e e d   t o   h a p p e n   e l s e w h e r e   i n   t h e   K u b e r n e t e s   p r o j e c t .


Question: What is Adding Linux worker nodes?

Answer: Adding Linux worker nodesThis page explains how to add Linux worker nodes to a kubeadm cluster.Before you beginEach joining worker node has installed the required components from Installing kubeadm, such as, kubeadm, the kubelet and a container runtime.A running kubeadm cluster created by kubeadm init and following the steps in the document Creating a cluster with kubeadm.You need superuser access to the node.Adding Linux worker nodesTo add new Linux worker nodes to your cluster do the following for each machine:Connect to the machine by using SSH or another method.Run the command that was output by kubeadm init. For example:sudo kubeadm join --token <token> <control-plane-host>:<control-plane-port> --discovery-token-ca-cert-hash sha256:<hash> Additional information for kubeadm joinNote:To specify an IPv6 tuple for <control-plane-host>:<control-plane-port>, IPv6 address must be enclosed in square brackets, for example: [2001:db8::101]:2073.If you do not have the token, you can get it by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token list The output is similar to this:TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS 8ewj1p.9r9hcjoqgajrj4gi 23h 2018-06-12T02:51:28Z authentication, The default bootstrap system: signing token generated by bootstrappers: 'kubeadm init'. kubeadm: default-node-token By default, node join tokens expire after 24 hours. If you are joining a node to the cluster after the current token has expired, you can create a new token by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token create The output is similar to this:5didvk.d09sbcov8ph2amjw To print a kubeadm join command while also generating a new token you can use:sudo kubeadm token create --print-join-command If you don't have the value of --discovery-token-ca-cert-hash, you can get it by running the following commands on the control plane node:# Run this on a control plane node sudo cat /etc/kubernetes/pki/ca.crt | openssl x509 -pubkey | openssl rsa -pubin -outform der 2>/dev/null | \ openssl dgst -sha256 -hex | sed 's/^.* //' The output is similar to:8cb2de97839780a412b93877f8507ad6c94f73add17d5d7058e91741c9d5ec78 The output of the kubeadm join command should look something like:[preflight] Running pre-flight checks ... (log output of join workflow) ... Node join complete: * Certificate signing request sent to control-plane and response received. * Kubelet informed of new secure connection details. Run 'kubectl get nodes' on control-plane to see this machine join. A few seconds later, you should notice this node in the output from kubectl get nodes. (for example, run kubectl on a control plane node).Note:As the cluster nodes are usually initialized sequentially, the CoreDNS Pods are likely to all run on the first control plane node. To provide higher availability, please rebalance the CoreDNS Pods with kubectl -n kube-system rollout restart deployment


Question: How does Adding Linux worker nodes work?

Answer: Adding Linux worker nodesThis page explains how to add Linux worker nodes to a kubeadm cluster.Before you beginEach joining worker node has installed the required components from Installing kubeadm, such as, kubeadm, the kubelet and a container runtime.A running kubeadm cluster created by kubeadm init and following the steps in the document Creating a cluster with kubeadm.You need superuser access to the node.Adding Linux worker nodesTo add new Linux worker nodes to your cluster do the following for each machine:Connect to the machine by using SSH or another method.Run the command that was output by kubeadm init. For example:sudo kubeadm join --token <token> <control-plane-host>:<control-plane-port> --discovery-token-ca-cert-hash sha256:<hash> Additional information for kubeadm joinNote:To specify an IPv6 tuple for <control-plane-host>:<control-plane-port>, IPv6 address must be enclosed in square brackets, for example: [2001:db8::101]:2073.If you do not have the token, you can get it by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token list The output is similar to this:TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS 8ewj1p.9r9hcjoqgajrj4gi 23h 2018-06-12T02:51:28Z authentication, The default bootstrap system: signing token generated by bootstrappers: 'kubeadm init'. kubeadm: default-node-token By default, node join tokens expire after 24 hours. If you are joining a node to the cluster after the current token has expired, you can create a new token by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token create The output is similar to this:5didvk.d09sbcov8ph2amjw To print a kubeadm join command while also generating a new token you can use:sudo kubeadm token create --print-join-command If you don't have the value of --discovery-token-ca-cert-hash, you can get it by running the following commands on the control plane node:# Run this on a control plane node sudo cat /etc/kubernetes/pki/ca.crt | openssl x509 -pubkey | openssl rsa -pubin -outform der 2>/dev/null | \ openssl dgst -sha256 -hex | sed 's/^.* //' The output is similar to:8cb2de97839780a412b93877f8507ad6c94f73add17d5d7058e91741c9d5ec78 The output of the kubeadm join command should look something like:[preflight] Running pre-flight checks ... (log output of join workflow) ... Node join complete: * Certificate signing request sent to control-plane and response received. * Kubelet informed of new secure connection details. Run 'kubectl get nodes' on control-plane to see this machine join. A few seconds later, you should notice this node in the output from kubectl get nodes. (for example, run kubectl on a control plane node).Note:As the cluster nodes are usually initialized sequentially, the CoreDNS Pods are likely to all run on the first control plane node. To provide higher availability, please rebalance the CoreDNS Pods with kubectl -n kube-system rollout restart deployment


Question: When would you use Adding Linux worker nodes?

Answer: Adding Linux worker nodesThis page explains how to add Linux worker nodes to a kubeadm cluster.Before you beginEach joining worker node has installed the required components from Installing kubeadm, such as, kubeadm, the kubelet and a container runtime.A running kubeadm cluster created by kubeadm init and following the steps in the document Creating a cluster with kubeadm.You need superuser access to the node.Adding Linux worker nodesTo add new Linux worker nodes to your cluster do the following for each machine:Connect to the machine by using SSH or another method.Run the command that was output by kubeadm init. For example:sudo kubeadm join --token <token> <control-plane-host>:<control-plane-port> --discovery-token-ca-cert-hash sha256:<hash> Additional information for kubeadm joinNote:To specify an IPv6 tuple for <control-plane-host>:<control-plane-port>, IPv6 address must be enclosed in square brackets, for example: [2001:db8::101]:2073.If you do not have the token, you can get it by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token list The output is similar to this:TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS 8ewj1p.9r9hcjoqgajrj4gi 23h 2018-06-12T02:51:28Z authentication, The default bootstrap system: signing token generated by bootstrappers: 'kubeadm init'. kubeadm: default-node-token By default, node join tokens expire after 24 hours. If you are joining a node to the cluster after the current token has expired, you can create a new token by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token create The output is similar to this:5didvk.d09sbcov8ph2amjw To print a kubeadm join command while also generating a new token you can use:sudo kubeadm token create --print-join-command If you don't have the value of --discovery-token-ca-cert-hash, you can get it by running the following commands on the control plane node:# Run this on a control plane node sudo cat /etc/kubernetes/pki/ca.crt | openssl x509 -pubkey | openssl rsa -pubin -outform der 2>/dev/null | \ openssl dgst -sha256 -hex | sed 's/^.* //' The output is similar to:8cb2de97839780a412b93877f8507ad6c94f73add17d5d7058e91741c9d5ec78 The output of the kubeadm join command should look something like:[preflight] Running pre-flight checks ... (log output of join workflow) ... Node join complete: * Certificate signing request sent to control-plane and response received. * Kubelet informed of new secure connection details. Run 'kubectl get nodes' on control-plane to see this machine join. A few seconds later, you should notice this node in the output from kubectl get nodes. (for example, run kubectl on a control plane node).Note:As the cluster nodes are usually initialized sequentially, the CoreDNS Pods are likely to all run on the first control plane node. To provide higher availability, please rebalance the CoreDNS Pods with kubectl -n kube-system rollout restart deployment


Question: What are the benefits of Adding Linux worker nodes?

Answer: Adding Linux worker nodesThis page explains how to add Linux worker nodes to a kubeadm cluster.Before you beginEach joining worker node has installed the required components from Installing kubeadm, such as, kubeadm, the kubelet and a container runtime.A running kubeadm cluster created by kubeadm init and following the steps in the document Creating a cluster with kubeadm.You need superuser access to the node.Adding Linux worker nodesTo add new Linux worker nodes to your cluster do the following for each machine:Connect to the machine by using SSH or another method.Run the command that was output by kubeadm init. For example:sudo kubeadm join --token <token> <control-plane-host>:<control-plane-port> --discovery-token-ca-cert-hash sha256:<hash> Additional information for kubeadm joinNote:To specify an IPv6 tuple for <control-plane-host>:<control-plane-port>, IPv6 address must be enclosed in square brackets, for example: [2001:db8::101]:2073.If you do not have the token, you can get it by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token list The output is similar to this:TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS 8ewj1p.9r9hcjoqgajrj4gi 23h 2018-06-12T02:51:28Z authentication, The default bootstrap system: signing token generated by bootstrappers: 'kubeadm init'. kubeadm: default-node-token By default, node join tokens expire after 24 hours. If you are joining a node to the cluster after the current token has expired, you can create a new token by running the following command on the control plane node:# Run this on a control plane node sudo kubeadm token create The output is similar to this:5didvk.d09sbcov8ph2amjw To print a kubeadm join command while also generating a new token you can use:sudo kubeadm token create --print-join-command If you don't have the value of --discovery-token-ca-cert-hash, you can get it by running the following commands on the control plane node:# Run this on a control plane node sudo cat /etc/kubernetes/pki/ca.crt | openssl x509 -pubkey | openssl rsa -pubin -outform der 2>/dev/null | \ openssl dgst -sha256 -hex | sed 's/^.* //' The output is similar to:8cb2de97839780a412b93877f8507ad6c94f73add17d5d7058e91741c9d5ec78 The output of the kubeadm join command should look something like:[preflight] Running pre-flight checks ... (log output of join workflow) ... Node join complete: * Certificate signing request sent to control-plane and response received. * Kubelet informed of new secure connection details. Run 'kubectl get nodes' on control-plane to see this machine join. A few seconds later, you should notice this node in the output from kubectl get nodes. (for example, run kubectl on a control plane node).Note:As the cluster nodes are usually initialized sequentially, the CoreDNS Pods are likely to all run on the first control plane node. To provide higher availability, please rebalance the CoreDNS Pods with kubectl -n kube-system rollout restart deployment


Question: What is Adding Linux worker nodes?

Answer: T h i s   p a g e   e x p l a i n s   h o w   t o   a d d   L i n u x   w o r k e r   n o d e s   t o   a   k u b e a d m   c l u s t e r .


Question: What is Before you begin?

Answer: E a c h   j o i n i n g   w o r k e r   n o d e   h a s   i n s t a l l e d   t h e   r e q u i r e d   c o m p o n e n t s   f r o m   I n s t a l l i n g   k u b e a d m ,   s u c h   a s ,   k u b e a d m ,   t h e   k u b e l e t   a n d   a   c o n t a i n e r   r u n t i m e . A   r u n n i n g   k u b e a d m   c l u s t e r   c r e a t e d   b y   k u b e a d m   i n i t   a n d   f o l l o w i n g   t h e   s t e p s   i n   t h e   d o c u m e n t   C r e a t i n g   a   c l u s t e r   w i t h   k u b e a d m . Y o u   n e e d   s u p e r u s e r   a c c e s s   t o   t h e   n o d e .


Question: What is Adding Linux worker nodes?

Answer: T o   a d d   n e w   L i n u x   w o r k e r   n o d e s   t o   y o u r   c l u s t e r   d o   t h e   f o l l o w i n g   f o r   e a c h   m a c h i n e :   C o n n e c t   t o   t h e   m a c h i n e   b y   u s i n g   S S H   o r   a n o t h e r   m e t h o d . R u n   t h e   c o m m a n d   t h a t   w a s   o u t p u t   b y   k u b e a d m   i n i t .   F o r   e x a m p l e :   s u d o   k u b e a d m   j o i n   - - t o k e n   < t o k e n >   < c o n t r o l - p l a n e - h o s t > : < c o n t r o l - p l a n e - p o r t >   - - d i s c o v e r y - t o k e n - c a - c e r t - h a s h   s h a 2 5 6 : < h a s h >


Question: What is Note:?

Answer: I f   y o u   d o   n o t   h a v e   t h e   t o k e n ,   y o u   c a n   g e t   i t   b y   r u n n i n g   t h e   f o l l o w i n g   c o m m a n d   o n   t h e   c o n t r o l   p l a n e   n o d e :   #   R u n   t h i s   o n   a   c o n t r o l   p l a n e   n o d e   s u d o   k u b e a d m   t o k e n   l i s t   T h e   o u t p u t   i s   s i m i l a r   t o   t h i s :   T O K E N   T T L   E X P I R E S   U S A G E S   D E S C R I P T I O N   E X T R A   G R O U P S   8 e w j 1 p . 9 r 9 h c j o q g a j r j 4 g i   2 3 h   2 0 1 8 - 0 6 - 1 2 T 0 2 : 5 1 : 2 8 Z   a u t h e n t i c a t i o n ,   T h e   d e f a u l t   b o o t s t r a p   s y s t e m :   s i g n i n g   t o k e n   g e n e r a t e d   b y   b o o t s t r a p p e r s :   ' k u b e a d m   i n i t ' .   k u b e a d m :   d e f a u l t - n o d e - t o k e n   B y   d e f a u l t ,   n o d e   j o i n   t o k e n s   e x p i r e   a f t e r   2 4   h o u r s .   I f   y o u   a r e   j o i n i n g   a   n o d e   t o   t h e   c l u s t e r   a f t e r   t h e   c u r r e n t   t o k e n   h a s   e x p i r e d ,   y o u   c a n   c r e a t e   a   n e w   t o k e n   b y   r u n n i n g   t h e   f o l l o w i n g   c o m m a n d   o n   t h e   c o n t r o l   p l a n e   n o d e :   #   R u n   t h i s   o n   a   c o n t r o l   p l a n e   n o d e   s u d o   k u b e a d m   t o k e n   c r e a t e   T h e   o u t p u t   i s   s i m i l a r   t o   t h i s :   5 d i d v k . d 0 9 s b c o v 8 p h 2 a m j w   T o   p r i n t   a   k u b e a d m   j o i n   c o m m a n d   w h i l e   a l s o   g e n e r a t i n g   a   n e w   t o k e n   y o u   c a n   u s e :   s u d o   k u b e a d m   t o k e n   c r e a t e   - - p r i n t - j o i n - c o m m a n d   I f   y o u   d o n ' t   h a v e   t h e   v a l u e   o f   - - d i s c o v e r y - t o k e n - c a - c e r t - h a s h ,   y o u   c a n   g e t   i t   b y   r u n n i n g   t h e   f o l l o w i n g   c o m m a n d s   o n


Question: What is What's next?

Answer: S e e   h o w   t o   a d d   W i n d o w s   w o r k e r   n o d e s .


Question: What is kubeadm certs?

Answer: kubeadm certskubeadm certs provides utilities for managing certificates. For more details on how these commands can be used, see Certificate Management with kubeadm.kubeadm certsA collection of operations for operating Kubernetes certificates.SynopsisCommands related to handling Kubernetes certificateskubeadm certs [flags] Options-h, --helphelp for certsOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.kubeadm certs renewYou can renew all Kubernetes certificates using the all subcommand or renew them selectively. For more details see Manual certificate renewal.SynopsisRenew certificates for a Kubernetes clusterkubeadm certs renew [flags] Options-h, --helphelp for renewOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.Renew all available certificatesSynopsisRenew all known certificates necessary to run the control plane. Renewals are run unconditionally, regardless of expiration date. Renewals can also be run individually for more control.kubeadm certs renew all [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for all--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.SynopsisRenew the certificate embedded in the kubeconfig file for the admin to use and for kubeadm itself.Renewals run unconditionally, regardless of certificate expiration date; extra attributes such as SANs will be based on the existing file/certificates, there is no need to resupply them.Renewal by default tries to use the certificate authority in the local PKI managed by kubeadm; as alternative it is possible to use K8s certificate API for certificate renewal, or as a last option, to generate a CSR request.After renewal, in order to make changes effective, is required to restart control-plane components and eventually re-distribute the renewed certificate in case the file is used elsewhere.kubeadm certs renew admin.conf [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for admin.conf--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the


Question: How does kubeadm certs work?

Answer: kubeadm certskubeadm certs provides utilities for managing certificates. For more details on how these commands can be used, see Certificate Management with kubeadm.kubeadm certsA collection of operations for operating Kubernetes certificates.SynopsisCommands related to handling Kubernetes certificateskubeadm certs [flags] Options-h, --helphelp for certsOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.kubeadm certs renewYou can renew all Kubernetes certificates using the all subcommand or renew them selectively. For more details see Manual certificate renewal.SynopsisRenew certificates for a Kubernetes clusterkubeadm certs renew [flags] Options-h, --helphelp for renewOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.Renew all available certificatesSynopsisRenew all known certificates necessary to run the control plane. Renewals are run unconditionally, regardless of expiration date. Renewals can also be run individually for more control.kubeadm certs renew all [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for all--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.SynopsisRenew the certificate embedded in the kubeconfig file for the admin to use and for kubeadm itself.Renewals run unconditionally, regardless of certificate expiration date; extra attributes such as SANs will be based on the existing file/certificates, there is no need to resupply them.Renewal by default tries to use the certificate authority in the local PKI managed by kubeadm; as alternative it is possible to use K8s certificate API for certificate renewal, or as a last option, to generate a CSR request.After renewal, in order to make changes effective, is required to restart control-plane components and eventually re-distribute the renewed certificate in case the file is used elsewhere.kubeadm certs renew admin.conf [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for admin.conf--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the


Question: When would you use kubeadm certs?

Answer: kubeadm certskubeadm certs provides utilities for managing certificates. For more details on how these commands can be used, see Certificate Management with kubeadm.kubeadm certsA collection of operations for operating Kubernetes certificates.SynopsisCommands related to handling Kubernetes certificateskubeadm certs [flags] Options-h, --helphelp for certsOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.kubeadm certs renewYou can renew all Kubernetes certificates using the all subcommand or renew them selectively. For more details see Manual certificate renewal.SynopsisRenew certificates for a Kubernetes clusterkubeadm certs renew [flags] Options-h, --helphelp for renewOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.Renew all available certificatesSynopsisRenew all known certificates necessary to run the control plane. Renewals are run unconditionally, regardless of expiration date. Renewals can also be run individually for more control.kubeadm certs renew all [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for all--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.SynopsisRenew the certificate embedded in the kubeconfig file for the admin to use and for kubeadm itself.Renewals run unconditionally, regardless of certificate expiration date; extra attributes such as SANs will be based on the existing file/certificates, there is no need to resupply them.Renewal by default tries to use the certificate authority in the local PKI managed by kubeadm; as alternative it is possible to use K8s certificate API for certificate renewal, or as a last option, to generate a CSR request.After renewal, in order to make changes effective, is required to restart control-plane components and eventually re-distribute the renewed certificate in case the file is used elsewhere.kubeadm certs renew admin.conf [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for admin.conf--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the


Question: What are the benefits of kubeadm certs?

Answer: kubeadm certskubeadm certs provides utilities for managing certificates. For more details on how these commands can be used, see Certificate Management with kubeadm.kubeadm certsA collection of operations for operating Kubernetes certificates.SynopsisCommands related to handling Kubernetes certificateskubeadm certs [flags] Options-h, --helphelp for certsOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.kubeadm certs renewYou can renew all Kubernetes certificates using the all subcommand or renew them selectively. For more details see Manual certificate renewal.SynopsisRenew certificates for a Kubernetes clusterkubeadm certs renew [flags] Options-h, --helphelp for renewOptions inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.Renew all available certificatesSynopsisRenew all known certificates necessary to run the control plane. Renewals are run unconditionally, regardless of expiration date. Renewals can also be run individually for more control.kubeadm certs renew all [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for all--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.SynopsisRenew the certificate embedded in the kubeconfig file for the admin to use and for kubeadm itself.Renewals run unconditionally, regardless of certificate expiration date; extra attributes such as SANs will be based on the existing file/certificates, there is no need to resupply them.Renewal by default tries to use the certificate authority in the local PKI managed by kubeadm; as alternative it is possible to use K8s certificate API for certificate renewal, or as a last option, to generate a CSR request.After renewal, in order to make changes effective, is required to restart control-plane components and eventually re-distribute the renewed certificate in case the file is used elsewhere.kubeadm certs renew admin.conf [flags] Options--cert-dir string Default: "/etc/kubernetes/pki"The path where to save the certificates--config stringPath to a kubeadm configuration file.-h, --helphelp for admin.conf--kubeconfig string Default: "/etc/kubernetes/admin.conf"The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.Options inherited from parent commands--rootfs stringThe path to the 'real' host root filesystem. This will cause kubeadm to chroot into the


Question: What is kubeadm certs?

Answer: k u b e a d m   c e r t s   p r o v i d e s   u t i l i t i e s   f o r   m a n a g i n g   c e r t i f i c a t e s .   F o r   m o r e   d e t a i l s   o n   h o w   t h e s e   c o m m a n d s   c a n   b e   u s e d ,   s e e   C e r t i f i c a t e   M a n a g e m e n t   w i t h   k u b e a d m .


Question: What is kubeadm certs?

Answer: A   c o l l e c t i o n   o f   o p e r a t i o n s   f o r   o p e r a t i n g   K u b e r n e t e s   c e r t i f i c a t e s .   S y n o p s i s C o m m a n d s   r e l a t e d   t o   h a n d l i n g   K u b e r n e t e s   c e r t i f i c a t e s k u b e a d m   c e r t s   [ f l a g s ]   O p t i o n s - h ,   - - h e l p h e l p   f o r   c e r t s O p t i o n s   i n h e r i t e d   f r o m   p a r e n t   c o m m a n d s - - r o o t f s   s t r i n g T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is Synopsis?

Answer: C o m m a n d s   r e l a t e d   t o   h a n d l i n g   K u b e r n e t e s   c e r t i f i c a t e s   k u b e a d m   c e r t s   [ f l a g s ]


Question: What is Options?

Answer: h e l p   f o r   c e r t s


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is kubeadm certs renew?

Answer: Y o u   c a n   r e n e w   a l l   K u b e r n e t e s   c e r t i f i c a t e s   u s i n g   t h e   a l l   s u b c o m m a n d   o r   r e n e w   t h e m   s e l e c t i v e l y .   F o r   m o r e   d e t a i l s   s e e   M a n u a l   c e r t i f i c a t e   r e n e w a l .   S y n o p s i s R e n e w   c e r t i f i c a t e s   f o r   a   K u b e r n e t e s   c l u s t e r k u b e a d m   c e r t s   r e n e w   [ f l a g s ]   O p t i o n s - h ,   - - h e l p h e l p   f o r   r e n e w O p t i o n s   i n h e r i t e d   f r o m   p a r e n t   c o m m a n d s - - r o o t f s   s t r i n g T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is Synopsis?

Answer: R e n e w   c e r t i f i c a t e s   f o r   a   K u b e r n e t e s   c l u s t e r   k u b e a d m   c e r t s   r e n e w   [ f l a g s ]


Question: What is Options?

Answer: h e l p   f o r   r e n e w


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   R e n e w   a l l   a v a i l a b l e   c e r t i f i c a t e s S y n o p s i s R e n e w   a l l   k n o w n   c e r t i f i c a t e s   n e c e s s a r y   t o   r u n   t h e   c o n t r o l   p l a n e .   R e n e w a l s   a r e   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   e x p i r a t i o n   d a t e .   R e n e w a l s   c a n   a l s o   b e   r u n   i n d i v i d u a l l y   f o r   m o r e   c o n t r o l . k u b e a d m   c e r t s   r e n e w   a l l   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   a l l - - k u b e c o n f i g   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / a d m i n . c o n f " T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e . O p t i o n s   i n h e r i t e d   f r o m   p a r e n t   c o m m a n d s - - r o o t f s   s t r i n g T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   R e n e w   a l l   a v a i l a b l e   c e r t i f i c a t e s


Question: What is Synopsis?

Answer: R e n e w   a l l   k n o w n   c e r t i f i c a t e s   n e c e s s a r y   t o   r u n   t h e   c o n t r o l   p l a n e .   R e n e w a l s   a r e   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   e x p i r a t i o n   d a t e .   R e n e w a l s   c a n   a l s o   b e   r u n   i n d i v i d u a l l y   f o r   m o r e   c o n t r o l .   k u b e a d m   c e r t s   r e n e w   a l l   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   a l l   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   a d m i n   t o   u s e   a n d   f o r   k u b e a d m   i t s e l f . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   a d m i n . c o n f   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   a d m i n   t o   u s e   a n d   f o r   k u b e a d m   i t s e l f .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   a d m i n . c o n f   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   a d m i n . c o n f   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   t h e   a p i s e r v e r   u s e s   t o   a c c e s s   e t c d . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   a p i s e r v e r - e t c d - c l i e n t   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   a p i s e r v e r - e t c d - c l i e n t


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   t h e   a p i s e r v e r   u s e s   t o   a c c e s s   e t c d .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   a p i s e r v e r - e t c d - c l i e n t   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   a p i s e r v e r - e t c d - c l i e n t   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   t h e   A P I   s e r v e r   t o   c o n n e c t   t o   k u b e l e t . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   a p i s e r v e r - k u b e l e t - c l i e n t   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   a p i s e r v e r - k


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   t h e   A P I   s e r v e r   t o   c o n n e c t   t o   k u b e l e t .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   a p i s e r v e r - k u b e l e t - c l i e n t   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   a p i s e r v e r - k u b e l e t - c l i e n t   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   s e r v i n g   t h e   K u b e r n e t e s   A P I . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   a p i s e r v e r   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   a p i s e r v e r - - k u b e c o n f i g   s t r i n g   D e f a u l t


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   s e r v i n g   t h e   K u b e r n e t e s   A P I .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   a p i s e r v e r   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   a p i s e r v e r   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   c o n t r o l l e r   m a n a g e r   t o   u s e . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   c o n t r o l l e r - m a n a g e r . c o n f   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - -


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   c o n t r o l l e r   m a n a g e r   t o   u s e .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   c o n t r o l l e r - m a n a g e r . c o n f   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   c o n t r o l l e r - m a n a g e r . c o n f   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   l i v e n e s s   p r o b e s   t o   h e a l t h c h e c k   e t c d . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   e t c d - h e a l t h c h e c k - c l i e n t   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   e t c d - h e a l t h c h


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   l i v e n e s s   p r o b e s   t o   h e a l t h c h e c k   e t c d .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   e t c d - h e a l t h c h e c k - c l i e n t   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   e t c d - h e a l t h c h e c k - c l i e n t   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   e t c d   n o d e s   t o   c o m m u n i c a t e   w i t h   e a c h   o t h e r . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   e t c d - p e e r   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   e t c d - p e e r - - k u b e c o n f i g


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   e t c d   n o d e s   t o   c o m m u n i c a t e   w i t h   e a c h   o t h e r .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   e t c d - p e e r   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   e t c d - p e e r   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   s e r v i n g   e t c d . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   e t c d - s e r v e r   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   e t c d - s e r v e r - - k u b e c o n f i g   s t r i n g   D e f a u l t :   " / e t c / k u


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   s e r v i n g   e t c d .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   e t c d - s e r v e r   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   e t c d - s e r v e r   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   f o r   t h e   f r o n t   p r o x y   c l i e n t . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   f r o n t - p r o x y - c l i e n t   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   f r o n t - p r o x y - c l i e n t - - k u b e c o n f i g


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   f o r   t h e   f r o n t   p r o x y   c l i e n t .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   f r o n t - p r o x y - c l i e n t   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   f r o n t - p r o x y - c l i e n t   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   s c h e d u l e r   m a n a g e r   t o   u s e . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   s c h e d u l e r . c o n f   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   s c h e d u l e r   m a n a g e r   t o   u s e .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   s c h e d u l e r . c o n f   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   s c h e d u l e r . c o n f   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   S y n o p s i s R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   s u p e r - a d m i n . R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m . R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t . A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e . k u b e a d m   c e r t s   r e n e w   s u p e r - a d m i n . c o n f   [ f l a g s ]   O p t i o n s - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   s u p e r - a d


Question: What is Synopsis?

Answer: R e n e w   t h e   c e r t i f i c a t e   e m b e d d e d   i n   t h e   k u b e c o n f i g   f i l e   f o r   t h e   s u p e r - a d m i n .   R e n e w a l s   r u n   u n c o n d i t i o n a l l y ,   r e g a r d l e s s   o f   c e r t i f i c a t e   e x p i r a t i o n   d a t e ;   e x t r a   a t t r i b u t e s   s u c h   a s   S A N s   w i l l   b e   b a s e d   o n   t h e   e x i s t i n g   f i l e / c e r t i f i c a t e s ,   t h e r e   i s   n o   n e e d   t o   r e s u p p l y   t h e m .   R e n e w a l   b y   d e f a u l t   t r i e s   t o   u s e   t h e   c e r t i f i c a t e   a u t h o r i t y   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m ;   a s   a l t e r n a t i v e   i t   i s   p o s s i b l e   t o   u s e   K 8 s   c e r t i f i c a t e   A P I   f o r   c e r t i f i c a t e   r e n e w a l ,   o r   a s   a   l a s t   o p t i o n ,   t o   g e n e r a t e   a   C S R   r e q u e s t .   A f t e r   r e n e w a l ,   i n   o r d e r   t o   m a k e   c h a n g e s   e f f e c t i v e ,   i s   r e q u i r e d   t o   r e s t a r t   c o n t r o l - p l a n e   c o m p o n e n t s   a n d   e v e n t u a l l y   r e - d i s t r i b u t e   t h e   r e n e w e d   c e r t i f i c a t e   i n   c a s e   t h e   f i l e   i s   u s e d   e l s e w h e r e .   k u b e a d m   c e r t s   r e n e w   s u p e r - a d m i n . c o n f   [ f l a g s ]


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   s u p e r - a d m i n . c o n f   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is kubeadm certs certificate-key?

Answer: T h i s   c o m m a n d   c a n   b e   u s e d   t o   g e n e r a t e   a   n e w   c o n t r o l - p l a n e   c e r t i f i c a t e   k e y .   T h e   k e y   c a n   b e   p a s s e d   a s   - - c e r t i f i c a t e - k e y   t o   k u b e a d m   i n i t   a n d   k u b e a d m   j o i n   t o   e n a b l e   t h e   a u t o m a t i c   c o p y   o f   c e r t i f i c a t e s   w h e n   j o i n i n g   a d d i t i o n a l   c o n t r o l - p l a n e   n o d e s .   G e n e r a t e   c e r t i f i c a t e   k e y s S y n o p s i s T h i s   c o m m a n d   w i l l   p r i n t   o u t   a   s e c u r e   r a n d o m l y - g e n e r a t e d   c e r t i f i c a t e   k e y   t h a t   c a n   b e   u s e d   w i t h   t h e   " i n i t "   c o m m a n d . Y o u   c a n   a l s o   u s e   " k u b e a d m   i n i t   - - u p l o a d - c e r t s "   w i t h o u t   s p e c i f y i n g   a   c e r t i f i c a t e   k e y   a n d   i t   w i l l   g e n e r a t e   a n d   p r i n t   o n e   f o r   y o u . k u b e a d m   c e r t s   c e r t i f i c a t e - k e y   [ f l a g s ]   O p t i o n s - h ,   - - h e l p h e l p   f o r   c e r t i f i c a t e - k e y O p t i o n s   i n h e r i t e d   f r o m   p a r e n t   c o m m a n d s - - r o o t f s   s t r i n g T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .   G e n e r a t e   c e r t i f i c a t e   k e y s


Question: What is Synopsis?

Answer: T h i s   c o m m a n d   w i l l   p r i n t   o u t   a   s e c u r e   r a n d o m l y - g e n e r a t e d   c e r t i f i c a t e   k e y   t h a t   c a n   b e   u s e d   w i t h   t h e   " i n i t "   c o m m a n d .   Y o u   c a n   a l s o   u s e   " k u b e a d m   i n i t   - - u p l o a d - c e r t s "   w i t h o u t   s p e c i f y i n g   a   c e r t i f i c a t e   k e y   a n d   i t   w i l l   g e n e r a t e   a n d   p r i n t   o n e   f o r   y o u .   k u b e a d m   c e r t s   c e r t i f i c a t e - k e y   [ f l a g s ]


Question: What is Options?

Answer: h e l p   f o r   c e r t i f i c a t e - k e y


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is kubeadm certs check-expiration?

Answer: T h i s   c o m m a n d   c h e c k s   e x p i r a t i o n   f o r   t h e   c e r t i f i c a t e s   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m .   F o r   m o r e   d e t a i l s   s e e   C h e c k   c e r t i f i c a t e   e x p i r a t i o n .   C h e c k   c e r t i f i c a t e s   e x p i r a t i o n   f o r   a   K u b e r n e t e s   c l u s t e r S y n o p s i s C h e c k s   e x p i r a t i o n   f o r   t h e   c e r t i f i c a t e s   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m . k u b e a d m   c e r t s   c h e c k - e x p i r a t i o n   [ f l a g s ]   O p t i o n s - - a l l o w - m i s s i n g - t e m p l a t e - k e y s   D e f a u l t :   t r u e I f   t r u e ,   i g n o r e   a n y   e r r o r s   i n   t e m p l a t e s   w h e n   a   f i e l d   o r   m a p   k e y   i s   m i s s i n g   i n   t h e   t e m p l a t e .   O n l y   a p p l i e s   t o   g o l a n g   a n d   j s o n p a t h   o u t p u t   f o r m a t s . - - c e r t - d i r   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / p k i " T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s - - c o n f i g   s t r i n g P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e . - h ,   - - h e l p h e l p   f o r   c h e c k - e x p i r a t i o n - - k u b e c o n f i g   s t r i n g   D e f a u l t :   " / e t c / k u b e r n e t e s / a d m i n . c o n f " T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e . - o ,   - - o u t p u t   s t r i n g   D e f a u l t :   " t e x t " O u t p u t   f o r m a t .   O n e   o f :   t e x t | j s o n | y a m l | g o - t e m p l a t e | g o - t e m p l a t e - f i l e | t e


Question: What is Synopsis?

Answer: C h e c k s   e x p i r a t i o n   f o r   t h e   c e r t i f i c a t e s   i n   t h e   l o c a l   P K I   m a n a g e d   b y   k u b e a d m .   k u b e a d m   c e r t s   c h e c k - e x p i r a t i o n   [ f l a g s ]


Question: What is Options?

Answer: I f   t r u e ,   i g n o r e   a n y   e r r o r s   i n   t e m p l a t e s   w h e n   a   f i e l d   o r   m a p   k e y   i s   m i s s i n g   i n   t h e   t e m p l a t e .   O n l y   a p p l i e s   t o   g o l a n g   a n d   j s o n p a t h   o u t p u t   f o r m a t s .   T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   c h e c k - e x p i r a t i o n   T h e   k u b e c o n f i g   f i l e   t o   u s e   w h e n   t a l k i n g   t o   t h e   c l u s t e r .   I f   t h e   f l a g   i s   n o t   s e t ,   a   s e t   o f   s t a n d a r d   l o c a t i o n s   c a n   b e   s e a r c h e d   f o r   a n   e x i s t i n g   k u b e c o n f i g   f i l e .   O u t p u t   f o r m a t .   O n e   o f :   t e x t | j s o n | y a m l | g o - t e m p l a t e | g o - t e m p l a t e - f i l e | t e m p l a t e | t e m p l a t e f i l e | j s o n p a t h | j s o n p a t h - a s - j s o n | j s o n p a t h - f i l e .   I f   t r u e ,   k e e p   t h e   m a n a g e d F i e l d s   w h e n   p r i n t i n g   o b j e c t s   i n   J S O N   o r   Y A M L   f o r m a t .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is kubeadm certs generate-csr?

Answer: T h i s   c o m m a n d   c a n   b e   u s e d   t o   g e n e r a t e   k e y s   a n d   C S R s   f o r   a l l   c o n t r o l - p l a n e   c e r t i f i c a t e s   a n d   k u b e c o n f i g   f i l e s .   T h e   u s e r   c a n   t h e n   s i g n   t h e   C S R s   w i t h   a   C A   o f   t h e i r   c h o i c e .   T o   r e a d   m o r e   i n f o r m a t i o n   o n   h o w   t o   u s e   t h e   c o m m a n d   s e e   S i g n i n g   c e r t i f i c a t e   s i g n i n g   r e q u e s t s   ( C S R )   g e n e r a t e d   b y   k u b e a d m .   G e n e r a t e   k e y s   a n d   c e r t i f i c a t e   s i g n i n g   r e q u e s t s S y n o p s i s G e n e r a t e s   k e y s   a n d   c e r t i f i c a t e   s i g n i n g   r e q u e s t s   ( C S R s )   f o r   a l l   t h e   c e r t i f i c a t e s   r e q u i r e d   t o   r u n   t h e   c o n t r o l   p l a n e .   T h i s   c o m m a n d   a l s o   g e n e r a t e s   p a r t i a l   k u b e c o n f i g   f i l e s   w i t h   p r i v a t e   k e y   d a t a   i n   t h e   " u s e r s   >   u s e r   >   c l i e n t - k e y - d a t a "   f i e l d ,   a n d   f o r   e a c h   k u b e c o n f i g   f i l e   a n   a c c o m p a n y i n g   " . c s r "   f i l e   i s   c r e a t e d . T h i s   c o m m a n d   i s   d e s i g n e d   f o r   u s e   i n   K u b e a d m   E x t e r n a l   C A   M o d e .   I t   g e n e r a t e s   C S R s   w h i c h   y o u   c a n   t h e n   s u b m i t   t o   y o u r   e x t e r n a l   c e r t i f i c a t e   a u t h o r i t y   f o r   s i g n i n g . T h e   P E M   e n c o d e d   s i g n e d   c e r t i f i c a t e s   s h o u l d   t h e n   b e   s a v e d   a l o n g s i d e   t h e   k e y   f i l e s ,   u s i n g   " . c r t "   a s   t h e   f i l e   e x t e n s i o n ,   o r   i n   t h e   c a s e   o f   k u b e c o n f i g   f i l e s ,   t h e   P E M   e n c o d e d   s i g n e d   c e r t i f i c a t e   s h o u l d   b


Question: What is Synopsis?

Answer: G e n e r a t e s   k e y s   a n d   c e r t i f i c a t e   s i g n i n g   r e q u e s t s   ( C S R s )   f o r   a l l   t h e   c e r t i f i c a t e s   r e q u i r e d   t o   r u n   t h e   c o n t r o l   p l a n e .   T h i s   c o m m a n d   a l s o   g e n e r a t e s   p a r t i a l   k u b e c o n f i g   f i l e s   w i t h   p r i v a t e   k e y   d a t a   i n   t h e   " u s e r s   >   u s e r   >   c l i e n t - k e y - d a t a "   f i e l d ,   a n d   f o r   e a c h   k u b e c o n f i g   f i l e   a n   a c c o m p a n y i n g   " . c s r "   f i l e   i s   c r e a t e d .   T h i s   c o m m a n d   i s   d e s i g n e d   f o r   u s e   i n   K u b e a d m   E x t e r n a l   C A   M o d e .   I t   g e n e r a t e s   C S R s   w h i c h   y o u   c a n   t h e n   s u b m i t   t o   y o u r   e x t e r n a l   c e r t i f i c a t e   a u t h o r i t y   f o r   s i g n i n g .   T h e   P E M   e n c o d e d   s i g n e d   c e r t i f i c a t e s   s h o u l d   t h e n   b e   s a v e d   a l o n g s i d e   t h e   k e y   f i l e s ,   u s i n g   " . c r t "   a s   t h e   f i l e   e x t e n s i o n ,   o r   i n   t h e   c a s e   o f   k u b e c o n f i g   f i l e s ,   t h e   P E M   e n c o d e d   s i g n e d   c e r t i f i c a t e   s h o u l d   b e   b a s e 6 4   e n c o d e d   a n d   a d d e d   t o   t h e   k u b e c o n f i g   f i l e   i n   t h e   " u s e r s   >   u s e r   >   c l i e n t - c e r t i f i c a t e - d a t a "   f i e l d .   k u b e a d m   c e r t s   g e n e r a t e - c s r   [ f l a g s ]


Question: What is Examples?

Answer: #   T h e   f o l l o w i n g   c o m m a n d   w i l l   g e n e r a t e   k e y s   a n d   C S R s   f o r   a l l   c o n t r o l - p l a n e   c e r t i f i c a t e s   a n d   k u b e c o n f i g   f i l e s :   k u b e a d m   c e r t s   g e n e r a t e - c s r   - - k u b e c o n f i g - d i r   / t m p / e t c - k 8 s   - - c e r t - d i r   / t m p / e t c - k 8 s / p k i


Question: What is Options?

Answer: T h e   p a t h   w h e r e   t o   s a v e   t h e   c e r t i f i c a t e s   P a t h   t o   a   k u b e a d m   c o n f i g u r a t i o n   f i l e .   h e l p   f o r   g e n e r a t e - c s r   T h e   p a t h   w h e r e   t o   s a v e   t h e   k u b e c o n f i g   f i l e .


Question: What is Options inherited from parent commands?

Answer: T h e   p a t h   t o   t h e   ' r e a l '   h o s t   r o o t   f i l e s y s t e m .   T h i s   w i l l   c a u s e   k u b e a d m   t o   c h r o o t   i n t o   t h e   p r o v i d e d   p a t h .


Question: What is What's next?

Answer: k u b e a d m   i n i t   t o   b o o t s t r a p   a   K u b e r n e t e s   c o n t r o l - p l a n e   n o d e k u b e a d m   j o i n   t o   c o n n e c t   a   n o d e   t o   t h e   c l u s t e r k u b e a d m   r e s e t   t o   r e v e r t   a n y   c h a n g e s   m a d e   t o   t h i s   h o s t   b y   k u b e a d m   i n i t   o r   k u b e a d m   j o i n