Kubectl¶

https://kubernetes.io/docs/reference/kubectl/

install¶

https://kubernetes.io/docs/tasks/tools/

curl -LO https://dl.k8s.io/release/v1.24.9/bin/windows/amd64/kubectl.exe

curl -LO https://dl.k8s.io/release/v1.24.9/bin/linux/amd64/kubectl
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

https://github.com/Azure/kubelogin

export KUBECONFIG=/path/to/kubeconfig
kubelogin convert-kubeconfig
kubectl get no

show all info¶

kubectl get node -v=7
kubectl get node -v=10

list all resources in a namespace¶

kubectl get all -n <namespace> #not list all
kubectl api-resources
kubectl api-resources --verbs=list --namespaced -o name \
  | xargs -n 1 kubectl get --show-kind --ignore-not-found -n <namespace>

copy files¶

copy files from local folder to k8s pod:

• https://kubernetes.io/docs/reference/kubectl/generated/kubectl_cp

• Requires that the tar binary is present in your container image sudo apt-get update; sudo apt-get install -y tar

  kubectl cp my_code.py my-namespace/my-pod-name:/tmp/my_code.py
  kubectl cp ./my_folder my-namespace/my-pod-name:/tmp/my_folder -c my-container