[CentOS] My server reboots every hour! Help please!

On Thu, Jul 16, 2009 at 11:06 AM, Michael Calizo<mike.calizo at gmail.com> wrote:
> can you post the output of last command?
>
> Maybe we can find something like the account currently login when server
> reboots.

Here goes (note that it is sorted in most-recent-first fashion):

# last -R | less
vmarko   pts/1        Thu Jul 16 16:09   still logged in
vmarko   pts/1        Thu Jul 16 16:05 - 16:07  (00:02)
vmarko   pts/1        Thu Jul 16 11:37 - 11:37  (00:00)
vmarko   pts/1        Thu Jul 16 02:48 - 02:59  (00:10)
reboot   system boot  Wed Jul 15 18:16          (21:59)
reboot   system boot  Wed Jul 15 15:37          (00:03)
vmarko   pts/1        Wed Jul 15 15:34 - 15:34  (00:00)
vmarko   pts/1        Wed Jul 15 14:42 - 15:16  (00:34)
reboot   system boot  Wed Jul 15 14:37          (01:04)
vmarko   pts/1        Wed Jul 15 13:38 - crash  (00:58)
reboot   system boot  Wed Jul 15 13:36          (02:04)
reboot   system boot  Wed Jul 15 12:36          (03:05)
reboot   system boot  Wed Jul 15 11:35          (04:05)
reboot   system boot  Wed Jul 15 10:38          (05:02)
reboot   system boot  Wed Jul 15 09:34          (06:06)
reboot   system boot  Wed Jul 15 08:34          (07:07)
reboot   system boot  Wed Jul 15 07:33          (08:07)
reboot   system boot  Wed Jul 15 06:33          (09:08)
reboot   system boot  Wed Jul 15 05:32          (10:08)
reboot   system boot  Wed Jul 15 04:32          (11:09)
reboot   system boot  Wed Jul 15 03:31          (12:09)
reboot   system boot  Wed Jul 15 02:31          (13:10)
reboot   system boot  Wed Jul 15 01:30          (14:10)
reboot   system boot  Wed Jul 15 00:30          (15:10)
reboot   system boot  Tue Jul 14 23:30          (16:11)
reboot   system boot  Tue Jul 14 22:29          (17:11)
reboot   system boot  Tue Jul 14 21:29          (18:12)
reboot   system boot  Tue Jul 14 20:28          (19:12)
reboot   system boot  Tue Jul 14 19:28          (20:13)
reboot   system boot  Tue Jul 14 18:27          (21:13)
reboot   system boot  Tue Jul 14 17:27          (22:14)
reboot   system boot  Tue Jul 14 16:26          (23:14)
vmarko   pts/1        Tue Jul 14 15:39 - 15:42  (00:03)
reboot   system boot  Tue Jul 14 15:26         (1+00:15)
vmarko   pts/1        Tue Jul 14 15:11 - crash  (00:14)
ljubica  pts/1        Tue Jul 14 14:26 - 15:11  (00:44)
ljubica  :0           Tue Jul 14 14:26 - 14:54  (00:27)
ljubica  :0           Tue Jul 14 14:26 - 14:26  (00:00)
reboot   system boot  Tue Jul 14 14:25         (1+01:15)
ljubica  pts/2        Tue Jul 14 13:27 - 13:27  (00:00)
ljubica  pts/1        Tue Jul 14 13:27 - crash  (00:58)
ljubica  :0           Tue Jul 14 13:27 - crash  (00:58)
ljubica  :0           Tue Jul 14 13:27 - 13:27  (00:00)
reboot   system boot  Tue Jul 14 13:25         (1+02:16)
ljubica  pts/1        Tue Jul 14 12:48 - crash  (00:36)
ljubica  :0           Tue Jul 14 12:48 - crash  (00:36)
ljubica  :0           Tue Jul 14 12:48 - 12:48  (00:00)
reboot   system boot  Tue Jul 14 12:41         (1+02:59)
ljubica  pts/1        Tue Jul 14 11:45 - crash  (00:55)

Occasional flag "crash" might mean something?

Best, :-)
Marko