原文链接: https://blog.youkuaiyun.com/happy_lucky52/article/details/82626901
关闭用户图形界面 sudo systemctl set-default multi-user.target
sudo reboot
sudo systemctl set-default multi-user.target
sudo reboot
开启用户图形界面 sudo systemctl set-default graphical.target
sudo reboot
sudo systemctl set-default graphical.target
sudo reboot