In this howto i will describe how to let root user to Graphical Login in Fedora 13. From Fedora 10 it was disable by default to let it login from GUI.We will be configure pam authentication files gdm and gdm-password respectively.
1: su
and enter ur password
2: vi /etc/pam.d/gdm
auth required pam_succeed_if.so user != root quiet
comment out by placing # at beginning to disable this check
#auth required pam_succeed_if.so user != root quiet
save and close the file.
step 3 is required for only from the fedora 13
3 vi /etc/pam.d/gdm.password
find following line
auth required pam_succeed_if.so user != root quiet
comment out by placing # at beginning to disable this check
#auth required pam_succeed_if.so user != root quiet
save and close the file. Now logout from terminal or GUI and relogin with root from GUI.