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why my linux acting so slow after few minutes?  RSS feed

 
Dairmon Lee
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Hi all,
I am a newbie here. Here is my story, I had just installed redhat7.2 server in my computer, everytime I logged in, everything looks fine, but after few minutes, the computer acting so slow (if I typing anything, it took 5-10 seconds to show on the screen), by the way, I am not using any GUI here, just pure text command!!
Was it because I installed too many applications: like web server, ftp server, nfs server? Are these server will start automatically?
If it was the reason, how can I control them?
Second question: how can I configure my internet modem in redhat?
thanks in advance!
 
Frank Carver
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Posts: 6920
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The first issue is probably the machine catching up with all the things it would normally do when you are not using it :- indexing manual pages, building a "locate" database so you can find files quickly, mirroring your drive (if you have software RAID enabled) etc. etc. I've found that Red Hat always seems to run slowly for an hour or so after a fresh installation until it is caught up, then things should get a lot better.
The top thing to remeber if your machine starts running slowly is the command "top". type "top" at a shell prompt and see which processes are gobbling up the CPU. The display refreshes every few seconds, so press "q" to exit cleanly when you've finished looking, then type "man top" to read all about it.
If your machine still doesn't speed up after a while of leaving it running, let us know here which processes are at the top of "top", and we should be able to help identify the problem.
 
Consider Paul's rocket mass heater.
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