centos7 安装kubectl
下载最新release包
curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
为kubectl增加可执行权限
chmod +x ./kubectl
将kubectl移动到path目录
mv ./kubectl /usr/local/bin/kubectl
验证kubectl配置
kubectl