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SWAP space is relevant only when RAM gets full, so adding SWAP doesn't make much anything except if it's already full too.
Memory upgrade is definitely a good thing.
CPU speed affects the speed of the system as well, and can do a lot too.
Running a graphical X server (graphical desktop instead of a text console) consumes both memory and CPU resources. If they're servers, and you don't explicitly need X (at least all the time), close it and have the machines not use it unless explicitly asked to (via 'startx' for example). This way you'll free resources.
That's pretty much what you can do..the rest is minor tweaks I'm afraid. If the machines feel _really_ slow (what are the specs, by the way?) and are needed in your company to get things done, consider upgrading the hardware..
What type of drives, what type of configuration are they ran in? What does hdparm say? What is the machine doing when they slow down? More info please.
The testing team in my firm does some kinda R&D on the systems...
They work on Suse 9 ent and Suse 10 ent..Incidently its only the Syse 10 Ent systems that become very slow..
physical memory - 512MB
Swap - 2GB
p4 processor
Does it make any difference if I switch the graphical interface from GNOME or KDE or the other way??
Whats the difference between the two ??
The user told me that the system gets slow in putty also but its normal only in telnet mode...
512MB of Ram is not a lot!!! Especially if it's a server, i have 2 GB or Ram for my desktop, so i'd suggest adding more Ram. Check the maximum amount that your motherboard supports and upgrade. Also Gnome and KDE are quite resource heavy GUIs and if you're running a server you really don't need them. If I were you I would have a look at Blackbox or XFCE, both are very lightweight and easy to use.....
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