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Install Docker Engine on CentOS | Docker Docs

yum -y install gcc

yum -y install gcc-c++

安装工具

sudo yum install -y yum-utils

设置国内的镜像
yum-config-manager
--add-repo
https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum makecache fast

安装

yum install docker-ce docker-ce-cli containerd.io

systemctl start docker # 启动docker服务

systemctl stop docker # 停止docker服务

systemctl restart docker # 重启docker服务

卸载

sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

设置镜像加速器，我这里配置的是阿里云

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://bwahx39XXXX.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

docker run hello-world

到这里就是说明成功啦！

关闭

systemctl stop firewalld

禁止开机启动防火墙

systemctl disable firewalld