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Old 07-05-2011, 06:22 PM   #1
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[Ubuntu] Pentium III - 800 mhz, 500 mb ram - very high cpu usage.


I have a friend who I finally convinced to try linux, he installed it on a old computer with a pentium 3 on 800 mhz with 512 mb ram.

For some reason it is terrible slow and the CPU load is really high, it's a standard ubuntu 11.04 installation.

Is there any way to turn of some services that he doens't need or something similiar to that?

Best regards, Emil.
Old 07-05-2011, 06:37 PM   #2
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Your machine is below the minimum recommended requirements for the latest Ubuntu release, you really need a more powerful machine to run a heavy distribution like Ubuntu. If you want to stick with the Ubuntu base, the first thing to do would be to switch out the window manager to something lighter like XFCE or even Fluxbox. There are versions of Ubuntu that do this for you (like Xubuntu), but you could just as easily switch it out on the installed system.

You would get better performance by switching to a lighter distribution in general, like Slackware or Debian; but the learning curve on those may prove a little much for a new user like your friend.
Old 07-05-2011, 06:39 PM   #3
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The CPU doesn't meet the minimum requirements for Ubuntu 11.04:

Ubuntu Desktop Edition
1 GHz x86 processor (Pentium 4 or better)
512 MiB of system memory (RAM)
5 GB of hard-drive space
Graphics card and monitor capable of 800x600
Either a CD/DVD drive or a USB port (or both)
Internet access is helpful
I recommend installing a "lightweight" desktkop environment (like LXDE or Xfce) instead of the standard Unity.

You might also consider a distro designed specifically for older hardware, like Puppy or SliTaz.

Good luck!
Old 07-05-2011, 07:22 PM   #4
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In addition to the above recommendations, you can google "Linux on older computers" or "lightweight Linux distributions" or something similar. If you posted some information on what the computer would be used for, you will probably get a lot of excellent recommendations.


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