Docker CE 安装（逐条执行）

    1. yum install -y yum-utils   device-mapper-persistent-data   lvm2
    3. yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    5. yum-config-manager --enable docker-ce-edge
    7. yum install docker-ce
    9. yum list docker-ce --showduplicates | sort -r
    11. yum install docker-ce-18.05.0.ce
    13. systemctl start docker.service
    15. systemctl enable docker.service

    关闭防火墙

    systemctl status firewalld.service
systemctl stop firewalld.service
systemctl disable firewalld.service

    关闭selinux

    vi /etc/selinux/config 
SELINUX=enforcing
SELINUX=disable

    重启

    systemctl restart docker.service

    基本信息：

    docker info

    查看运行容器 ：

    docker ps

    更多详细说明：https://github.com/GithubMcx/Document/blob/master/ServiceForDocker/Docker CE 安装.md