How to allow GUI root login on Ubuntu 20.04 Focal Fossa Linux - LinuxConfig.org

In this article you will how to allow the root user to login to GUI gnome Desktop on Ubuntu 20.04 Focal Fossa.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-allow-gui-root-login-on-ubuntu-20-04-focal-fossa-linux