linux操作系统 kubectl命令手册

kubectl

Command line interface for running commands against Kubernetes clusters. More information: https://kubernetes.io/docs/reference/kubectl/.

  • List all 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 /}}