Centos7下Docker的安装

先卸载一波 

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

安装依赖

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

添加源

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

安装

 yum install docker-ce

开机启动

systemctl enable docker
systemctl start docker