<div class="gmail_quote">On Tue, Sep 1, 2009 at 7:27 PM, Brian McKee <<a href="mailto:brian.mckee@gmail.com">brian.mckee@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="im">On Tue, Sep 1, 2009 at 1:11 PM, Etienne<<a href="mailto:etienne@gnulinux.fr">etienne@gnulinux.fr</a>> wrote: > I am trying to manage an ubuntu server (8.04 LTS) and I just had an > unexpected reboot at 11:04 am this morning. > I am wondering why . > here is the syslog before / after reboot. It does not say anything. </div>May be hardware related - I'd suspect power supply, overheating or RAM if it's hardware. Also, depending on the unit, there were lots of motherboards made with bad capacitors - take a look at them for bulged tops. Can you pull it out of service long enough to run a memtest on it? and watch the temps while you do so? </blockquote></div> I would agree that is highly likely to be hardware related. I would also include UPS's as a possble culprit. -- Hal