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Old 11-30-2007, 08:23 AM   #1
Registered: Dec 2001
Location: Georgia
Distribution: Ubuntu
Posts: 31

Rep: Reputation: 15
Remote server sleeping overnight

I'm running Ubuntu Server on a 1.5Ghz / 256Mb Ram machine. Running apache, ssh server, and zoneminder (camera/surveillance app) and not much anything else out of the ordinary. I have both ethernet and wireless cards installed plus a video capture board.
Here's the problem, the machine runs perfectly until it is left alone over night (or during the day). I try to ping the machine and it will not respond. Since it is a remote server I have to hard boot it every time it does this.
I'm guessing that it is going to sleep during these extended times but I cannot find out what is causing it. I've disabled all related BIOS functions and have checked that no APM type modules are installed.
I've checked log files to try to determine the time/app causing it to sleep but have yet to locate the culprit. Any ideas on what else I can look for?

Thanks, Dennis
Old 12-26-2007, 11:05 AM   #2
Registered: Sep 2003
Location: Stroud, UK
Distribution: Kubuntu, Debian
Posts: 149

Rep: Reputation: 15
That's a surprising problem. I can't think of what might be causing it - have you checked that nobody physically turns it off every night?

As a workaround, until someone can come up with a fix, you could try setting it up with 'wakeonlan', so that at least you don't need to go out to it every morning. To do this, set up the BIOS to 'wake on LAN', according to the instructions, make a note of the computer's MAC address, then on your own computer, assuming that the wakeonlan app is installed, type:
wakeonlan MAC_address_here
and it should wake up.

Sorry I couldn't be any more help than this, I know it's not a fix, but at least it should make the problem easier to deal with.


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