ubuntu 20.04安装桌面并远程连接

参考：

https://www.zmy6.com/archives/234

https://blog.csdn.net/weixin_42068573/article/details/131227544

https://blog.csdn.net/LoongEmbedded/article/details/132434219

  sudo apt install ubuntu-desktop
  sudo apt install xrdp
  sudo systemctl status xrdp
  printf "export GNOME_SHELL_SESSION_MODE=ubuntu\nexport XDG_CURRENT_DESKTOP=ubuntu:GNOME\nexport XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg\n" > ~/.xsessionrc