kubectl

Description:

• Doc and Cheatsheet
• Transform CLI command to and back of kube-apiserver’s api HTTPS call to control clusters
• Must be configured to store credentials for each sluster (different Kubernetes Context)
  • stored in config file in $HOME/.kube/config
• kubectl help and kubectl api-resources

Synopis:

• kubectl [command] [TYPE] [NAME] [flags]
  • Types = Resourse types
    • Use kubectl api-resources for a complete list of supported resources.
  • -c argument to specify which container

0. Common flags:

• -h,--help
• -n,--namespace

1. Getting started:

• kubectl create
  • kubectl create deployment
  • .
  • kubectl create namespace
• kubectl get
• kubectl run
• kubectl expose
• kubectl delete

2. App management:

• kubectl apply
• kubectl annotate
• kubectl autoscale
• kubectl debug
• kubectl diff
• kubectl edit
• kubectl kustomize
• kubectl label
• kubectl patch
• kubectl replace
• kubectl rolleout
  • kubectl rolleout history
• kubectl scale

• kubectl set: Configure existing application resources.

  • kubectl set image
• kubectl wait

3. Working with apps:

• kubectl attach

• kubectl auth

• kubectl cp
• kubectl describe
• kubectl exec
• kubectl logs
• .
• kubectl top
  • kubecl top node
  • kubectl top pod

4. Cluster management:

• kubectl api-versions
• kubectl api-resources
• kubectl cluster-info
• kubectl cordon
• kubectl drain
• kubectl taint

5. Kubectl setting and usage:

• kubectl config

  • kubectl config set-context
  • .
  • kubectl config use-context
  • kubect config view
• kubectl explain