1.准备更新和安装docker源

sudo apt update
sudo apt install docker.io

2.准备docker镜像加速

vi /etc/docker/daemon.json
{
    "registry-mirrors": [
        "https://hub-mirror.c.163.com"
    ]
}

3.加载文件

systemctl daemon-reload

4.启动docker

systemctl enable docker
systemctl start docker

5.查看docekr信息

docker version