centos7安装docker-ce新版

先卸载系统的旧版本
yum remove docker \
              docker-common \
              docker-selinux \
              docker-engine

设置仓库
yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo


安装Docker
yum install docker-ce


启动Docker
systemctl start docker

 

设置开机自启动Docker
systemctl enable docker

参考文档：http://blog.51cto.com/hellocjq/2070756