安装XRDP服务

[root@testpc ~]# yum install epel-release

[root@testpc ~]# rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-1.el7.nux.noarch.rpm

[root@testpc ~]# yum install xrdp tigervnc-server

[root@testpc ~]# systemctl start xrdp.service

[root@testpc ~]# systemctl enable xrdp.service

防火墙开启3389端口

[root@testpc ~]# firewall-cmd --permanent --zone=public --add-port=3389/tcp

[root@testpc ~]# firewall-cmd --reload

安装GNOME桌面（当CentOS是最小化安装时）

[root@testpc ~]# yum groupinstall "GNOME Desktop"

参考链接