1、姑百钠恁确保服务器连网，配置网络Yum源，安装docker需要extra源# cd /etc/yum.repos.d/将阿里云的C髫潋啜缅entos-7.repo下载保存到该目录# sed -i 's/$releasever/7/g' Centos-7.repo
3、配置Docker的Yum源# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo# yum-config-manager --enable docker-ce-nightly# yum-config-manager --enable docker-ce-test# yum-config-manager --disable docker-ce-nightly
5、启动Docker# systemctl start docker查看docker安装版本信息# docker info
