tldr/pages/common/kubectl.md

38 lines
968 B
Markdown

# 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 /}}`