sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
sudo yum install -y yum-utils
sudo yum-config-manager \
--add-repo \
https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io -y
4.配置一个阿里云的docker镜像地址可以提升获取Docker官方镜像的速度 cr.console.aliyun.com/cn-hangzhou…
systemctl restart docker
#设置Docker开机自启动
systemctl enable docker
#查看Docker的运行状态
systemctl status docker