1,systemctl docker start 2, docker hub 3, docker search 4, 配置docker国内镜像 vi /etc/docker/daemon.json { registry-mirrors:[https://docker.mirrors.ustc.edu.cn] } 配置之后要重启 systemctl restart docker.service 5,拉取镜像 docker pull centos:7 docker pull mysql:5.6 docker pull tomcat:7-jre7 docker pull