Re: [Bulk] Re: F7 now super slow, will it infect Fedora 8?

Le lun 04/02/2008 à 19:16, Rick Stevens a écrit :
On Mon, 2008-02-04 at 18:13 -0500, Doug Purdy wrote:
Monday 04/02/2008 at 14:05, Phil Meyer wrote:
...
Thanks Phil! Memory does seem to be the problem on the 1.2gig Fedora 7
computer. With System Monitor the only application running, memory usage
climbs continuously at about 10 megs a minute. It's now into the swap
file for 230 megs. CPU usage is about 25% even though System monitor is
only using 2-6%. The 760 meg Fedora Core 2 computer is still acting
normally and reporting memory and CPU usage in agreement with the
processes reported by System Monitor.

How do I investigate what invisible process is using the CPU and memory?

Try "top" first and see if that shows it. If you got rootkitted, then
it may not show the guilty process. Go fetch a copy of ckrootkit and
run it:

http://www.chkrootkit.org/


Here's TOP:

top - 19:21:44 up 3:10, 1 user, load average: 0.67, 0.96, 0.89
Tasks: 130 total, 4 running, 126 sleeping, 0 stopped, 0 zombie
Cpu(s): 20.5%us, 5.9%sy, 0.0%ni, 52.1%id, 21.1%wa, 0.0%hi, 0.3%si,
0.0%st
Mem: 1295100k total, 1271352k used, 23748k free, 2796k buffers
Swap: 2031608k total, 1039564k used, 992044k free, 60660k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
2163 root 20 0 10324 1580 908 R 8.0 0.1 19:33.59
cupsd
2735 root 20 0 104m 11m 3844 R 7.0 0.9 18:14.48
Xorg
2905 root 20 0 1820m 950m 2564 S 6.6 75.2 18:15.50
smartpanel
3401 doug 20 0 34944 4704 3228 S 1.7 0.4 2:44.87
gnome-system-mo
199 root 15 -5 0 0 0 S 0.7 0.0 0:09.92
kswapd0
4126 doug 20 0 40920 13m 9800 S 0.7 1.0 0:00.44
gnome-terminal
2268 mysql 20 0 133m 1288 548 S 0.3 0.1 0:08.21
mysqld
4160 doug 20 0 2256 1028 796 R 0.3 0.1 0:00.28 top

The "smartpanel" is a program from my new Samsung printer in the "system
tray."

Looking up the root kit.

Doug

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