I would agree with looking into hardware problems - I have a MSI-694 dual
proc machine that about two or three months ago started rebooting once or
twice a week for no apparent reason, then one hot day it became several
times a day and I shut it down before going away for xmas. Now it won't even
If this was something like a kernel panic there would be a
message in /var/log/messages
If nothing is in there then it's probably failing hardware.
My experiences in those cases is that no matter what logging you
turn on, nothing gets logged, the machine just reboots.
If it's a remote colocated