Enable Root User For Redhat Linux GDM

Table of Contents

• Why Enable Root User For GDM?
• Step-by-step guide to enable root user for GDM
• What is GDM?
• Conclusion

Why Enable Root User For GDM?

Enabling the root user for GDM can be beneficial if you need to carry out administrative tasks on your system. For instance, if you need to install software or make system-wide changes, you will need to use the root user. It is important to note, however, that the root user should only be enabled when absolutely necessary and should be disabled when not in use.

Step-by-step guide to enable root user for GDM

Enabling the root user for GDM should be done with caution as it can pose a security risk. However, if you need to perform administrative tasks on your system, enabling the root user for GDM can be useful.

1. Open the terminal and log in as root user.
2. Edit the GDM configuration file using the following command:

vi /etc/pam.d/gdm-password

3. Locate the following line:

auth required pam_succeed_if.so user != root quiet

4. Comment out this line by adding a “#” character at the beginning:

# auth required pam_succeed_if.so user != root quiet

5. Save and exit the file.
6. Edit the GDM daemon configuration file:

vi /etc/gdm/custom.conf

7. Find the following line:

# WaylandEnable=false

8. Uncomment this line by removing the “#” character:

WaylandEnable=false

9. Save and exit the file.
10. Finally, restart the GDM service:

systemctl restart gdm

What is GDM?

GNOME Display Manager (short GDM) is the default display manager for GNOME-based desktop environments. It is responsible for initiating the graphical login screen and managing user authentication. By default, the root user is disabled in GDM for security reasons. However, in some cases, you may need to enable the root user for GDM.

Conclusion

In this tutorial, we have demonstrated how to enable the root user for GDM in Redhat Linux. Enabling the root user for GDM should be done with caution as it can pose a security risk. However, if you need to perform administrative tasks on your system, enabling the root user for GDM can be useful. It is important to remember that the root user should only be enabled when absolutely necessary and should be disabled when not in use.