is this normal for Redhat?

I installed Redhat 6.1 about 2 weeks ago, I have noticed that if I leave the computer on for more than a day my CPU meter is maxed and I have to reboot to get it to go back to normal. What is going on? Are there processes running that I don't know about, also Last night about every 5 seconds the cpu would hit 80 percent for about a second then go back to normal.
Basically I think my system is not stable, and I would like to leave it on forever without having to reboot.
Is it possible to alter a config to help with this problem?

Matt
unomateoAsked:
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edskeeCommented:
Try running 'top' as root to see what process is killing your system, thats your first step.
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unomateoAuthor Commented:
top?
what is top?
do I type ./top at the command line?
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bmk01Commented:
Just enter the command top at the system prompt.

To end do a ctrl/c.

To find out what top is enter
man top  at the system prompt and a help page will explain the report...
 
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edskeeCommented:
Top shows you some system info... uptime, CPU useage, which processes are using them, etc. Just type top at the command line. If thats not working, as root type: ps -aux and see whats chewing up all your CPU power.
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rbrCommented:
If it only every 5 sec for a short time there should be no problem. Looks like it is your update daemon which writes the cached data back on your HD.
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castleinfoCommented:
Um no it's NOT normal. CPU should be less than 5% while idle.
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unomateoAuthor Commented:
thanks for the advice, top worls great, I could see that my netscape navigator sometimes hangs and causes the processor to bog, thanks again for the help

Matt
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edskeeCommented:
So whats top tell you?
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unomateoAuthor Commented:
my cpu was running fine  while I was surfing the net, then I started to get network problems and my cpu meter went to 100 percent, I ran top and netscape was the top entry at 97 percent, so I killed it and the processor was free again, I tried netscape again and the same thing happened, so I killed it again, about 5 minutes later netscape was working fine, I think that it had a DNS naming problem because I could ping out by number but when I pinged the name of the website, I got errors, so I am assuming that the DNS problem caused my cpu to bog.

Matt
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unomateoAuthor Commented:
thanks
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