Question about Linux Processes

[pcburner]

I was looking into what was running on my CentOS 5.1 server and was wondering what services I can kill that are not needed. By eliminating unwanted processes wouldn't this speed up the server? For instance, kpsmoused, I'm not even using a mouse or keyboard or monitor on my server, I putty into it, so what would like to do is kill and then prevent it from running again. How can this be accomplished?

[topdog]

What processes do you want to kill as i think kpsmoused is a kernel process killing it could make your system unstable

[pcburner]

Here is a list of the running processes I am not sure what I can eliminate could you assist please?

# top

top - 10:40:36 up 2 days, 14:24, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 80 total, 3 running, 77 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3%us, 0.3%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
Mem: 1033584k total, 1000072k used, 33512k free, 168172k buffers
Swap: 2031608k total, 64k used, 2031544k free, 686020k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
21259 root 15 0 2172 996 792 R 0.3 0.1 0:00.05 top
1 root 15 0 2040 588 508 S 0.0 0.1 0:00.77 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
4 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root 10 -5 0 0 0 S 0.0 0.0 0:00.01 events/0
6 root 16 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
7 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
10 root 10 -5 0 0 0 S 0.0 0.0 0:00.02 kblockd/0
11 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
89 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/0
92 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
94 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
153 root 15 0 0 0 0 S 0.0 0.0 0:09.55 pdflush
154 root 15 0 0 0 0 S 0.0 0.0 0:04.58 pdflush
155 root 10 -5 0 0 0 S 0.0 0.0 0:05.99 kswapd0
156 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
305 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
328 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 ata/0
329 root 17 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
332 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
333 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
334 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_2
345 root 16 -5 0 0 0 S 0.0 0.0 0:00.00 ksnapd
348 root 10 -5 0 0 0 S 0.0 0.0 0:16.55 kjournald
380 root 10 -5 0 0 0 S 0.0 0.0 0:00.01 kauditd
414 root 21 -4 2944 1432 384 S 0.0 0.1 0:00.75 udevd
1209 root 16 -5 0 0 0 S 0.0 0.0 0:00.00 kmpathd/0
1232 root 17 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
1740 root 14 -3 12076 684 488 S 0.0 0.1 0:00.25 auditd
1742 root 12 -3 10096 3972 2308 S 0.0 0.4 0:00.53 python
1761 root 15 0 10080 8652 432 S 0.0 0.8 0:00.08 restorecond
1776 root 18 0 1700 632 536 S 0.0 0.1 0:00.29 syslogd
1779 root 18 0 1656 404 336 S 0.0 0.0 0:00.02 klogd
1814 root 15 0 2140 584 388 S 0.0 0.1 0:01.39 mcstransd
1836 rpc 19 0 1788 556 464 S 0.0 0.1 0:00.00 portmap
1854 root 15 0 42428 11m 5096 S 0.0 1.1 0:21.60 setroubleshootd
1879 root 24 0 1804 728 628 S 0.0 0.1 0:00.00 rpc.statd
1923 root 15 0 5392 580 280 S 0.0 0.1 0:00.00 rpc.idmapd
1950 dbus 18 0 12960 1180 912 S 0.0 0.1 0:00.02 dbus-daemon
1966 root 25 0 2128 756 656 S 0.0 0.1 0:00.00 hcid
1972 root 25 0 1724 500 428 S 0.0 0.0 0:00.00 sdpd
1991 root 9 -10 0 0 0 S 0.0 0.0 0:00.00 krfcommd
2041 root 25 0 12696 1324 580 S 0.0 0.1 0:03.55 pcscd
2064 root 25 0 1888 448 368 S 0.0 0.0 0:00.00 hidd
2083 root 25 0 9356 1124 884 S 0.0 0.1 0:00.11 automount
2106 root 18 0 1648 516 440 S 0.0 0.0 0:00.00 acpid
2136 root 17 0 6144 1028 664 S 0.0 0.1 0:00.03 sshd
2151 root 15 0 9688 2092 1448 S 0.0 0.2 0:00.02 cupsd
2167 root 24 0 2684 840 672 S 0.0 0.1 0:00.01 xinetd
2216 root 18 0 1876 468 392 S 0.0 0.0 0:00.00 gpm
2231 root 18 0 5236 1196 652 S 0.0 0.1 0:00.88 crond
2258 xfs 18 0 3436 1304 752 S 0.0 0.1 0:00.00 xfs
top - 10:40:50 up 2 days, 14:24, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 80 total, 3 running, 77 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1033584k total, 1000072k used, 33512k free, 168172k buffers
Swap: 2031608k total, 64k used, 2031544k free, 686020k cached

[zcworld]

i cant remember if its like "init 3"
to drop down to an command line
on the box itself
exit the Xserver
simple frees up memory and CPU use :)
so it can be used for other stuff

also
run the setup
and see what services are running that you dont need
always see what they do before turning them off if you not sure



init 0 : goes thru the /etc/rc0.d/* scripts then halts ( note halt these
days also syncs first )
init 1: goes to single user - no need for sync
init 2; multi user
init 3: mult user plus network
init 4: user defined
init 5: as init 0, but with power off ( or as init 0 when on domains in a
starfire )
init 6: as 0 or 5, but reboots

so 0, 5, 6, and halt all do a sync or two. shutdown also call halt which
calls sync. note that you can suppy flags to shutdown/halt to not sync if
thats what you want.

http://www.sunmanagers.org/pipermail/summaries/2002-September/002368.html