1-1 安装Docker

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
sudo systemctl start docker //启动docker
docker -v //查看版本号
docker info //查看docker详情

1-2 docker镜像加速

vi /etc/docker/daemon.json
{
    "registry-mirrors": ["https://14067553c49e4b83bc818c602f6f1668.mirror.swr.myhuaweicloud.com"]
}

sudo systemctl daemon-reload
sudo systemctl restart docker

1-3 卸载docker

# 查询安装的docker包　
yum list installed | grep docker
#卸载docker
yum remove docker-ce.x86_64 ddocker-ce-cli.x86_64 -y
rm -rf /var/lib/docker