yum安装最新版docker

如果有安装docker先移除旧版docker

sudo yum remove docker

docker-client

docker-client-latest

docker-common

docker-latest

docker-latest-logrotate

docker-logrotate

docker-selinux

docker-engine-selinux

docker-engine

安装一些必要的系统工具： sudo yum install -y yum-utils device-mapper-persistent-data lvm2

添加软件源信息： sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

更新 yum 缓存：sudo yum makecache fast

安装 Docker-ce： sudo yum -y install docker-ce

启动 Docker 后台服务 ：sudo systemctl start docker