In this article you will find out how to allow the root user to login to GUI gnome Desktop on Ubuntu 20.04 Focal Fossa.
In this tutorial you will learn:
- How to set root password
- How to configure GDM to allow root gui login
- How to configure PAM to allow root gui login
Software Requirements and Conventions Used
Category | Requirements, Conventions or Software Version Used |
---|---|
System | Installed Ubuntu 20.04 or upgraded Ubuntu 20.04 Focal Fossa |
Software | N/A |
Other | Privileged access to your Linux system as root or via the sudo command. |
Conventions |
# – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command$ – requires given linux commands to be executed as a regular non-privileged user |
Allow GUI root login on Ubuntu 20.04 step by step instructions
-
First step is to set root password:
$ sudo passwd
The above command will set a root password which will be later user to login to GUI.
- Next, step is to edit the
/etc/gdm3/custom.conf
GDM configuration file to allow root login. - Next, edit PAM authentication daemon configuration file
/etc/pam.d/gdm-password
and comment line which denies root access to graphical user interface.To do so edit file
/etc/pam.d/gdm-password
and put#
in front of the line containing:auth required pam_succeed_if.so user != root quiet_success
- All done. Reboot your Ubuntu system.