Install kubeadm, kubelet and kubectl

install_kubeadm_kubelet_kubectl.sh

#!/bin/bash
#
# Install kubeadm, kubelet and kubectl
# Maintainer: k8scat@gmail.com
set -e

# 更新 apt 包索引并安装使用 Kubernetes apt 仓库所需要的包
apt-get update -y
apt-get install -y apt-transport-https ca-certificates curl

# 下载 Google Cloud 公开签名秘钥
# curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add -

# 添加 Kubernetes apt 仓库
# echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
echo "deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

# 更新 apt 包索引，安装 kubelet、kubeadm 和 kubectl，并锁定其版本
apt-get update -y
apt-get install -y kubelet kubeadm kubectl
apt-mark hold kubelet kubeadm kubectl