https://www.linuxidc.com/Linux/2017-09/147050.htm
https://blog.csdn.net/dazhi_1314/article/details/78222104
https://blog.csdn.net/salley2017/article/details/80027939
centos7 安装远程桌面
原文：https://www.cnblogs.com/ArRan/p/9146355.html
