为 Ubuntu系统安装gnome 桌面

https://yapingxin.github.io/2017/04/03/Ubuntu-Install-gnome/

https://blog.creke.net/696.html

http://piaolingspace.blogspot.com/2017/07/ubuntu-1604-gnome.html

https://imcn.me/html/y2017/32090.html

https://www.linuxidc.com/Linux/2018-12/156031.htm