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1、寻找安装教程
https://www.cnblogs.com/yufeng218/p/8370670.html
https://www.runoob.com/docker/centos-docker-install.html
https://www.jianshu.com/p/ef14131fe900
2、实操
不会安装Centos7的请参考上一篇
VMware 安装 Centos7