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Old 03-10-2008, 09:18 PM   #1
bone2006
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hybernation, suspend or screensaver software?


A friend of mine has an old computer that I installed ubuntu server on it with JWM. He's been complaining that there's no screen saver and he keeps his computer up all the time. I've been searching for how to install a screensaver or the use of hybernation/suspend.

Any suggestions is greatly apprecated.
 
Old 03-11-2008, 08:36 PM   #2
jlinkels
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I am sorry, but I don't think you should install a screen saver nor suspend or hibernate on a server. A server is designed to run 24/7, that might be the reason that those applications are not installed. A screen saver is not smart, you better turn off the monitor. Screen savers save your screen but use a lot of processor power which is awkward for a server.

If you want to know about suspend/hibernate, google for "ubuntu suspend hibernate" and you'll find more information than you need.

jlinkels
 
Old 03-12-2008, 06:10 AM   #3
Poetics
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Other options are to take a look at the kernel and see what options were compiled in as relates to APM or APCI. It may take a bit of digging, but I'm sure you can find the right information.
 
Old 03-12-2008, 06:57 AM   #4
jlinkels
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Wouldn't it then be better to simply install regular Ubuntu? Or does that miss kernel features needed for a server? I can imagine you have to install some additional applications but that is about it.

jlinkels
 
Old 03-12-2008, 03:01 PM   #5
bone2006
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I think everybody is missing the point. I do not have a server installed, I am using ubuntu server, but not installing LAMPS or any server functionality. The reason to use ubuntu server is that there's no desktop or any resource required.

asking the question about why not use regular ubuntu is that regular ubuntu recommends 384mb of ram, while ubuntu server only requires 64mb of ram.

LOL I really didn't think I was going to justify my selection of ubuntu server instead of another distro, but I'm very very happy using ubuntu server without selecting any of the components and installing JWM myself. The system is only using about 40mb of ram.

I do have debian server on another machine and I would install a desktop there as it's not even connected to a monitor nor keyboard. I guess when I say ubuntu server people jump to the conclusion that I selected lamps possibly.
 
Old 03-12-2008, 06:36 PM   #6
jlinkels
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Ok, I will not question why you installed Ubuntu server while for example Debian comes without any GUI if you don't select that during install and you get such a server install automatically.

So you are looking for something to blank your screen? Look at 'man setterm' where you can set the time before the screen blanks. You could call setterm from a startup script.

About hibernating, I have noticed that with the current kernels (and I am sure Ubuntu uses a recent one) hibernating is not much faster than powering off and on. It is probably not worth to find out how it works, and then on older hardware (I guess you are running not the most recent hardware given the amount of RAM) it might fail anyway with ACPI not well supported. Besides, a sever should be uo and running and not shut down.

jlinkels
 
Old 03-13-2008, 08:30 AM   #7
bone2006
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thanks for the help, I'll look into using setterm. I also saw xcreensaver,gnome-screensaver, and kscreensaver as well, but I'll first look into setterm.
thanks for the help
 
  


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