1. kubectl --help

    返回结果：

    kubectl controls the Kubernetes cluster manager.

    Find more information at: https://kubernetes.io/docs/reference/kubectl/overview/

    Basic Commands (Beginner): create Create a resource from a file or from stdin. expose Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service run Run a particular image on the cluster set Set specific features on objects

    Basic Commands (Intermediate): explain Documentation of resources get Display one or many resources edit Edit a resource on the server delete Delete resources by filenames, stdin, resources and names, or by resources and label selector

    Deploy Commands: rollout Manage the rollout of a resource scale Set a new size for a Deployment, ReplicaSet or Replication Controller autoscale Auto-scale a Deployment, ReplicaSet, or ReplicationController

    Cluster Management Commands: certificate Modify certificate resources. cluster-info Display cluster info top Display Resource (CPU/Memory/Storage) usage. cordon Mark node as unschedulable uncordon Mark node as schedulable drain Drain node in preparation for maintenance taint Update the taints on one or more nodes

    Troubleshooting and Debugging Commands: describe Show details of a specific resource or group of resources logs Print the logs for a container in a pod attach Attach to a running container exec Execute a command in a container port-forward Forward one or more local ports to a pod proxy Run a proxy to the Kubernetes API server cp Copy files and directories to and from containers. auth Inspect authorization debug Create debugging sessions for troubleshooting workloads and nodes

    Advanced Commands: diff Diff live version against would-be applied version apply Apply a configuration to a resource by filename or stdin patch Update field(s) of a resource replace Replace a resource by filename or stdin wait Experimental: Wait for a specific condition on one or many resources. kustomize Build a kustomization target from a directory or a remote url.

    Settings Commands: label Update the labels on a resource annotate Update the annotations on a resource completion Output shell completion code for the specified shell (bash or zsh)

    Other Commands: api-resources Print the supported API resources on the server api-versions Print the supported API versions on the server, in the form of “group/version” config Modify kubeconfig files plugin Provides utilities for interacting with plugins. version Print the client and server version information

    Usage: kubectl [flags] [options]

    Use “kubectl —help” for more information about a given command. Use “kubectl options” for a list of global command-line options (applies to all commands).