3.2.1. 帮助¶

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

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, Replication Controller, or Job
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

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

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:

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