centos 安装docker

#!/bin/bash

sudo yum remove docker 
                  docker-client 
                  docker-client-latest 
                  docker-common 
                  docker-latest 
                  docker-latest-logrotate 
                  docker-logrotate 
                  docker-engine

sudo yum remove docker-ce docker-ce-cli containerd.io
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd


sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum makecache fast
sudo yum -y install docker-ce-20.10.7 docker-ce-cli-20.10.7 containerd.io

# 加入国内镜像源
sudo mkdir -p /etc/docker
sudo echo -e  "{"registry-mirrors": ["https://hub-mirror.c.163.com","https://mirror.baidubce.com"]}" > /etc/docker/daemon.json

# 启动docker
sudo systemctl start docker

# 设置开机启动
sudo systemctl enable docker
sudo systemctl daemon-reload
sudo systemctl restart docker