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K8s-kubectl

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命令说明

kubectl命令帮助1

kubectl命令帮助2

帮助文档

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[root@k8s-master01 calicofir]# kubectl -h
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        使用 replication controller, service, deployment 或者 pod 并暴露它作为一个 新的 Kubernetes
Service
  run           在集群中运行一个指定的镜像
  set           为 objects 设置一个指定的特征

Basic Commands (Intermediate):
  explain       查看资源的文档
  get           显示一个或更多 resources
  edit          在服务器上编辑一个资源
  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, StatefulSet, or ReplicationController

Cluster Management Commands:
  certificate   修改 certificate 资源.
  cluster-info  显示集群信息
  top           显示 Resource (CPU/Memory) 使用.
  cordon        标记 node 为 unschedulable
  uncordon      标记 node 为 schedulable
  drain         Drain node in preparation for maintenance
  taint         更新一个或者多个 node 上的 taints

Troubleshooting and Debugging Commands:
  describe      显示一个指定 resource 或者 group 的 resources 详情
  logs          输出容器在 pod 中的日志
  attach        Attach 到一个运行中的 container
  exec          在一个 container 中执行一个命令
  port-forward  Forward one or more local ports to a pod
  proxy         运行一个 proxy 到 Kubernetes API server
  cp            复制 files 和 directories 到 containers 和从容器中复制 files 和 directories.
  auth          Inspect authorization
  debug         Create debugging sessions for troubleshooting workloads and nodes

Advanced Commands:
  diff          Diff live version against would-be applied version
  apply         通过文件名或标准输入流(stdin)对资源进行配置
  patch         Update field(s) of a resource
  replace       通过 filename 或者 stdin替换一个资源
  wait          Experimental: Wait for a specific condition on one or many resources.
  kustomize     Build a kustomization target from a directory or URL.

Settings Commands:
  label         更新在这个资源上的 labels
  annotate      更新一个资源的注解
  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        修改 kubeconfig 文件
  plugin        Provides utilities for interacting with plugins.
  version       输出 client 和 server 的版本信息

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).

命令补全

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yum install -y bash-completion
source /usr/share/bash-completion/bash_completion
source <(kubectl completion bash)

以上命令执行后可以进行命令补全，但是退出终端重新进入后失效，需要执行以下操作

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kubectl completion bash > /root/.kube/completion.bash.inc
vim $HOME/.bash_profile

#在$PATH前一行添加
source /root/.kube/completion.bash.inc