查看helm版本与K8S对应关系：https://helm.sh/zh/docs/topics/version_skew/

下载所需版本：https://github.com/helm/helm/releases

安装

wget https://get.helm.sh/helm-v3.11.3-linux-amd64.tar.gz
tar -zxvf helm-v3.11.3-linux-amd64.tar.gz
mv linux-amd64/helm /usr/local/bin/helm

命令补全

yum install bash-completion -y

! grep -q bash_completion "$HOME/.bashrc" && echo "source /usr/share/bash-completion/bash_completion" >>"$HOME/.bashrc"
! grep -q helm "$HOME/.bashrc" && echo "source <(helm completion bash)" >>"$HOME/.bashrc"

source "$HOME/.bashrc"