kubectl

Command-line interface for running commands against Kubernetes clusters. Some subcommands such as kubectl run have their own usage documentation. More information: <https://kubernetes.io/docs/reference/kubectl/>.

Install

All systems
curl cmd.cat/kubectl.sh
Debian Debian
apt-get install kubernetes-client
CentOS
yum install kubernetes-client
Fedora
dnf install kubernetes-client
OS X
brew install kubernetes-cli
Dockerfile
dockerfile.run/kubectl

Command-line interface for running commands against Kubernetes clusters. Some subcommands such as kubectl run have their own usage documentation. More information: <https://kubernetes.io/docs/reference/kubectl/>.

  • List information about a resource with more details:
    kubectl get pod|service|deployment|ingress|... -o wide
  • Update specified pod with the label 'unhealthy' and the value 'true':
    kubectl label pods name unhealthy=true
  • List all resources with different types:
    kubectl get all
  • Display resource (CPU/Memory/Storage) usage of nodes or pods:
    kubectl top pod|node
  • Print the address of the master and cluster services:
    kubectl cluster-info
  • Display an explanation of a specific field:
    kubectl explain pods.spec.containers
  • Print the logs for a container in a pod or specified resource:
    kubectl logs pod_name
  • Run command in an existing pod:
    kubectl exec pod_name -- ls /

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