yum install -y bash-completion
source /usr/share/bash-completion/bash_completion
source <(kubectl completion bash)
kubectl completion bash > ~/.kube/completion.bash.inc
# 临时生效
source '/root/.kube/completion.bash.inc'
一直生效
# 修改$HOME/.bashrc
添加如下内容
source '/root/.kube/completion.bash.inc'
# 然后执行环境变量配置文件使生效
source $HOME/.bashrc
