One of my server has failed to start the GUI desktop after I restarted. I logged to the server through ssh and checked the status of gdm.servcie and it output is as follows:
[root@ns10 etc]# systemctl status gdm.service
gdm.service - GNOME Display Manager
Loaded: loaded (/usr/lib/systemd/system/gdm.service; enabled)
Active: failed (Result: start-limit) since Wed 2015-11-25 12:54:53 EST; 2h 10min ago
Process: 1435 ExecStop=/bin/bash -c TERM=linux /usr/bin/clear > /dev/tty1 (code=exited, status=0/SUCCESS)
Process: 1431 ExecStart=/usr/sbin/gdm (code=exited, status=127)
Main PID: 1431 (code=exited, status=127)
CGroup: /system.slice/gdm.service
Nov 25 12:54:53 ns10.local systemd[1]: Failed to start GNOME Display Manager.
Nov 25 12:54:53 ns10.local systemd[1]: Unit gdm.service entered failed state.
Nov 25 12:54:53 ns10.local systemd[1]: gdm.service holdoff time over, scheduling restart.
Nov 25 12:54:53 ns10.local systemd[1]: Stopping GNOME Display Manager...
Nov 25 12:54:53 ns10.local systemd[1]: Starting GNOME Display Manager...
Nov 25 12:54:53 ns10.local systemd[1]: gdm.service start request repeated too quickly, refusing to start.
Nov 25 12:54:53 ns10.local systemd[1]: Failed to start GNOME Display Manager.
Nov 25 12:54:53 ns10.local systemd[1]: Unit gdm.service entered failed state.
Would you please help me to resolve this issue?