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* kubectl controls the Kubernetes cluster manager.
* Find more information at: https://kubernetes.io/docs/reference/kubectl/overview/

Usage::

    kubectl [flags] [options]

    Use "kubectl <command> --help" for more information about a given command.
    Use "kubectl options" for a list of global command-line options (applies to all commands).

调试专用::

    $ k get po -v=12


1. 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

2. 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

3. Deploy Commands::

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

4. 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

5. 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

6. Advanced Commands::

    apply          Apply a configuration to a resource by filename or stdin
    patch          Update field(s) of a resource using strategic merge patch
    replace        Replace a resource by filename or stdin
    wait           Experimental: Wait for one condition on one or many resources
    convert        Convert config files between different API versions

7. 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)

8. Other Commands::

    alpha          Commands for features in alpha
    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         Runs a command-line plugin
    version        Print the client and server version information