L19※ubuntu设置开机不启动图形界面

1> 开机不启动图形界面

sudo systemctl set-default multi-user.target
sudo shutdown -r now

2> 从控制台进入图形界面

sudo systemctl start gdm3.service

3> 恢复开机启动图形界面

sudo systemctl set-default graphical.target
sudo shutdown -r now