tldr/pages/common/kubectl.md
2019-08-16 11:23:03 +02:00

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# 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 /}}`