Kubectl安装

• 二进制安装

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

• 命令补全（非必需）

yum install bash-completion

kubectl completion bash >/etc/bash_completion.d/kubectl
source /usr/share/bash-completion/bash_completion