A brief analysis of the command method to disable/enable the GUI when the Ubuntu desktop starts

This article will introduce to you how to disable or enable the GUI at startup in Ubuntu 20.04 Focal Fossa Linux Desktop. I hope it will be helpful to friends in need.

In this tutorial, you will learn:

• How to disable the GUI on startup

• How to enable the GUI on boot

• How to launch the GUI from the command line

How to disable the GUI on boot in Ubuntu 20.04 step-by-step instructions

The following command will disable the GUI on boot, so on reboot the system will boot to a multi-user target:

$ sudo systemctl set-default multi-user

Reboot or log out of the current session to exit the GUI:

$ gnome-session-quit

How to enable the GUI at startup

Given that you have installed the GUI on your Ubuntu 20.04 server/desktop, you can enable the GUI to be launched at system startup by executing the following command:

$ sudo systemctl set-default graphical

Manually start the GUI from the command line

For the GNOME GUI of the default display manager to install GDM, you can start the GUI from the command line by executing the following command:

$ sudo systemctl start gdm3

Recommended learning: "Linux Video tutorial》

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