kubernets初始化准备

文档说明： 只是记录关键点

k8s 版本 > 1.19

实验环境： linux debian 11

#!/bin/bash
set -eux
set -o pipefail

__CURRENT__=`pwd`
__DIR__=$(cd "$(dirname "$0")";pwd)
cd ${__DIR__}


test -f /etc/apt/sources.list.d/kubernetes.list && rm -rf /etc/apt/sources.list.d/kubernetes.list

apt-get update -y  && apt-get install -y apt-transport-https sudo
apt install -y   ca-certificates  curl gnupg  gnupg2  gnupg1  lvm2  lsb-release apt-transport-https  curl

mkdir -p /etc/apt/keyrings/
test -f /etc/apt/keyrings/kubernetes-archive-keyring.gpg && rm -rf /etc/apt/keyrings/kubernetes-archive-keyring.gpg
curl -fsSL https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-archive-keyring.gpg

# 因为阿里云限速，下载很慢，所以换成中科大的镜像
echo "deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://mirrors.ustc.edu.cn/kubernetes/apt/ kubernetes-xenial main" |  tee /etc/apt/sources.list.d/kubernetes.list

apt-get update -y
apt-get install -y kubelet kubeadm kubectl

# 锁定版本
# apt-mark hold kubelet kubeadm kubectl
# 安装指定版本也是可以的,如下
# apt-get install -y  kubelet=1.24.7-00 kubeadm=1.24.7-00 kubectl=1.24.7-00

参考文档

1. install-kubectl-linux
2. 容器运行时