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{{lowercase}}
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<code>kubectl</code> is a command line interface for running commands against [[Kubernetes]] clusters.<ref>https://kubernetes.io/docs/reference/kubectl/overview/</ref>
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<code>[[wikipedia:kubectl]]</code> is a command line interface for running commands against [[Kubernetes]] clusters.<ref>https://kubernetes.io/docs/reference/kubectl/overview/</ref>
 
  
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== Installation ==
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To install in MacOS execute: <code>brew install kubernetes-cli</code>
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* To install in [[macOS]] execute: <code>[[brew install kubernetes-cli]]</code>
 
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* [[Kubectl in Amazon Linux]]
 
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* [[Ubuntu kubectl installation]]
 
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* <code>[[~/.kube/config]]</code>
 
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* [[scoop install kubectl]]
 
  
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== Commands ==
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== kubectl info commands ==
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* <code>[[kubectl --help]]</code>
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* Verify running [[Pod]]s:
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* <code>[[kubectl api-versions]]</code>
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** <code>[[kubectl get pods]]</code>
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* <code>[[kubectl apply]]</code>
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** <code>[[kubectl get]] pod PODNAME</code>
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* <code>[[kubectl auth]]</code>
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** <code>kubectl get pod PODNAME -n MY_NAMESPACE</code>
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* <code>[[kubectl create]]</code>
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** <code>kubectl get pod PODNAME -n MY_NAMESPACE --watch</code>
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* <code>[[kubectl completion]]</code>
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* Fetch metrics for PODNAME pod <code>kubectl top pod PODNAME</code>
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* <code>[[kubectl config]]</code>: <code>[[kubectl config use-context|config-use-context]]</code>
 
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* <code>[[kubectl cp]]</code>
 
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* <code>[[kubectl debug]]</code> (since [[v1.18]], March 2020)
 
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* <code>[[kubectl delete]]</code>
 
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* <code>[[kubectl describe]]</code>
 
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* <code>[[kubectl diff]]</code> (since [[v1.18]], March 2020)
 
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* <code>[[kubectl edit]]</code>
 
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* <code>[[kubectl explain]]</code>
 
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* <code>[[kubectl expose]]</code>
 
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* <code>[[kubectl exec]]</code>
 
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* <code>[[kubectl get]] [[kubectl get all|all]] | [[kubectl get nodes|nodes]] | [[kubectl get pvc|pvc]] | [[kubectl get pods|pods]] | [[kubectl get replicaset|replicaset]] .../... </code>  
 
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* <code>[[kubectl label]]</code>
 
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* <code>[[kubectl logs]]</code>
 
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* <code>[[kubectl patch]]</code>
 
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* <code>[[kubectl port-forward]]</code>
 
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* <code>[[kubectl proxy]]</code>
 
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* <code>[[kubectl plugin]]</code>
 
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* <code>[[kubectl replace]]</code>
 
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* <code>[[kubectl rolling-update]]</code>
 
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* <code>[[kubectl rollout]]</code>
 
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* <code>[[kubectl set]]</code>
 
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* <code>[[kubectl top]]</code>
 
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* <code>[[kubectl virt]]</code>
 
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== [[Kubectl information commands]] ==
 
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{{kubectl information TOC}}
 
  
 
== kubectl operation commands ==
 
== kubectl operation commands ==
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*'''Cluster Info''' <code>[[kubectl cluster-info]] [flags]</code> :Display endpoint information about the master and services in the cluster
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*'''Cluster Info''' <code>kubectl cluster-info [flags]</code> :Display endpoint information about the master and services in the cluster
  
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*'''Create''' <code>[[kubectl create]] -f FILENAME [flags]</code>: Create one or more resources from a file or stdin
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*'''Create''' <code>kubectl create -f FILENAME [flags]</code>: Create one or more resources from a file or stdin
 
** <code>kubectl create namespace myexamplenamespace</code>
 
** <code>kubectl create namespace myexamplenamespace</code>
 
** <code>kubectl create sa my_new_user</code> (Create service account for your my_new_user)
 
** <code>kubectl create sa my_new_user</code> (Create service account for your my_new_user)
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*'''Config''': <code>kubectl config .../...</code>
 
*'''Config''': <code>kubectl config .../...</code>
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** <code>[[kubectl config view]]</code>
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** <code>kubectl config view</code>
  
 
*'''Delete''' <code>kubectl delete (-f FILENAME \| TYPE [NAME \| /NAME \| -l label \| --all]) [flags]</code> :Delete resources  
 
*'''Delete''' <code>kubectl delete (-f FILENAME \| TYPE [NAME \| /NAME \| -l label \| --all]) [flags]</code> :Delete resources  
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* '''[[kubectl get|Get]]''':  
 
* '''[[kubectl get|Get]]''':  
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** <code>kubectl get apiservices</code>
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** <code>kubectl get nodes</code>
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** <code>kubectl get pods</code>
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** <code>kubectl get pod PODNAME -n NAMESPACE -o yaml | kubectl replace --force -f -</code><ref>https://stackoverflow.com/a/45046340/9269906</ref>
  
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* '''Replace''': <code>[[kubectl replace]] --force -f yml_file_describing_pod.yml</code>
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* '''Replace''': <code>kubectl replace --force -f yml_file_describing_pod.yml</code>
  
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* '''Proxy''': <code>[[kubectl proxy]] --port=8080</code><ref>https://kubernetes.io/docs/tasks/access-kubernetes-api/http-proxy-access-api/</ref>
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* '''Proxy''': <code>kubectl proxy --port=8080</code><ref>https://kubernetes.io/docs/tasks/access-kubernetes-api/http-proxy-access-api/</ref>
  
 
* '''Rolling-update:''' <code>[[kubectl rolling-update]]</code>
 
* '''Rolling-update:''' <code>[[kubectl rolling-update]]</code>
  
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*'''Run''' <code>[[kubectl run]] NAME --image=image [--env="key=value"] [--port=port] [--replicas=replicas] [--dry-run=bool] [--overrides=inline-json] [flags]</code>: Run a specified image on the cluster.
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*'''Run''' <code>kubectl run NAME --image=image [--env="key=value"] [--port=port] [--replicas=replicas] [--dry-run=bool] [--overrides=inline-json] [flags]</code>: Run a specified image on the cluster.
  
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*'''Scale''': <code>[[kubectl scale]] deployment YOUR_DEPLOYMENT_NAME</code>
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*'''Scale''': <code>kubectl scale deployment YOUR_DEPLOYMENT_NAME</code>
  
 
*'''Stop''' <code>kubectl stop</code>
 
*'''Stop''' <code>kubectl stop</code>
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== Activities ==
 
== Activities ==
 
* [[Create and configure a basic Pod]] (<code>[[kubectl apply]]</code>)
 
* [[Create and configure a basic Pod]] (<code>[[kubectl apply]]</code>)
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* Read official <code>kubectl</code> cheat sheet: https://kubernetes.io/docs/reference/kubectl/cheatsheet/
 
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* Check examples: https://www.codegrepper.com/code-examples/shell/kubectl+describe+ingress+output+yaml
 
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* https://stackoverflow.com/questions/tagged/kubectl?tab=Votes
 
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* [[Kubernetes quiz]]
 
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* [[Merge multiple kubeconfigs]]: <code>[[~/.kube/config]]s</code> into one using <code>[[kubectl konfig merge]]</code>
 
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== Related ==
 
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* [[Krew]]
 
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* <code>[[kops]]</code>
 
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* [[Kots]] kubectl plugin
 
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* [[K9s]]
 
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* <code>[[aws eks]] --region $([[terraform output -raw]] region) [[update-kubeconfig]] --name $([[terraform output -raw]] cluster_name)</code>
 
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* <code>[[kubectl-convert]]</code>
 
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* <code>[[kubeadm]]</code>
 
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* <code>[[Error: flags cannot be place before plugin name]]</code>
 
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* <code>[[kubectl.kubernetes.io]]</code>
 
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* [[kubectl (alias)]]
 
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* [[Terraform: kubectl provider]]
 
  
 
== See also ==
 
== See also ==
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* {{Kubernetes components}}
 
 
* {{kubectl}}
 
* {{kubectl}}
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* {{k8s}}
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[[Category: Software development]]
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[[Category:Server administration]]
  
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[[Category: Kubernetes]]
 
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[[Category: kubectl]]
 
  
 
{{CC license}}
 
{{CC license}}
 
Source: https://en.wikiversity.org/wiki/DevOps/Kubernetes/kubectl
 
Source: https://en.wikiversity.org/wiki/DevOps/Kubernetes/kubectl

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