CentOS7安装Docker

更新

yum update

添加repo的Docker源

 tee /etc/yum.repos.d/docker.repo <<-'EOF'
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/7/
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg
EOF

安装

     安装Docker
     yum install docker-engine

     加入开机自启
     systemctl enable docker.service

     启动服务
     systemctl start docker

     验证
     docker -v

验证

将有如下提示则表示安装成功

 Docker version 18.03.0-ce, build 0520e24