centos安装docker
https://blog.csdn.net/u014069688/article/details/100532774
idea配置docker
https://blog.csdn.net/qq_36204764/article/details/102853245
docker安装rancher2.x
https://blog.csdn.net/github_38924695/article/details/103685781
rancher修改密码:
docker exec -ti <container_id> reset-password