怎么安装k8s命令的补全

1、安装基础的补全
[root@study ~]# yum install -y bash-completion
[root@study ~]# source /usr/share/bash-completion/bash_completion
2、应用 kubectl 的 completion 到系统环境：
[root@study ~]#source > ~/.bashrc
[root@study ~]# echo "source <(kubectl completion bash)" >> ~/.bashrc