How to keep unnecessary processes from starting
Charles Howse
chowse at charter.net
Fri Mar 13 15:35:01 UTC 2009
On Mar 10, 2009, at 11:10 AM, Jhair Tocancipa Triana wrote:
> Charles Howse <chowse at charter.net> writes:
>
>> Hi,
>> I have 8.10-server-i386 running in command-line only.
>> Surely some of the processes below are unnecessary.
>> What's the best way to separate the wheat from the chaff?
>>
>
> k* processes are chaff :-)...
>
> It depends on what you use the machine for. For instance, do you use
> it
> to serve files via FTP?
>
>> 5754 proftpd 20 0 5052 1432 616 S 0.0 0.6 0:05.18 proftpd
Hi Jhair,
I uninstalled proftpd a day or two ago, so now I'm only using sftp via
ssh.
The only thing I use the machine for is to upload files for storage,
and I need a pop3 server to get the system logs and reports via email
on my Mac.
Could you lease explain why k* processes are chaff?
charles at shemp:~$ ps auxwwf
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2 0.0 0.0 0 0 ? S< Mar11 0:00
[kthreadd]
root 3 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[migration/0]
root 4 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[ksoftirqd/0]
root 5 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[watchdog/0]
root 6 0.0 0.0 0 0 ? S< Mar11 0:05 \_
[events/0]
root 7 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[khelper]
root 46 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kintegrityd/0]
root 48 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kblockd/0]
root 69 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[cqueue]
root 73 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kseriod]
root 115 0.0 0.0 0 0 ? S Mar11 0:00 \_
[pdflush]
root 116 0.0 0.0 0 0 ? S Mar11 0:02 \_
[pdflush]
root 117 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kswapd0]
root 162 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[aio/0]
root 1042 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[ksuspend_usbd]
root 1044 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[khubd]
root 1076 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[ata/0]
root 1078 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[ata_aux]
root 1093 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[scsi_eh_0]
root 1095 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[scsi_eh_1]
root 1917 0.0 0.0 0 0 ? S< Mar11 0:02 \_
[kjournald]
root 3253 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kjournald]
root 3254 0.0 0.0 0 0 ? S< Mar11 0:00 \_
[kjournald]
root 1 0.0 0.7 2944 1860 ? Ss Mar11 0:13 /sbin/
init
root 2064 0.0 0.2 2176 684 ? S<s Mar11 0:03 /sbin/
udevd --daemon
root 3552 0.0 0.1 1668 496 tty4 Ss+ Mar11 0:00 /sbin/
getty 38400 tty4
root 3555 0.0 0.1 1668 500 tty5 Ss+ Mar11 0:00 /sbin/
getty 38400 tty5
root 3562 0.0 0.1 1668 496 tty2 Ss+ Mar11 0:00 /sbin/
getty 38400 tty2
root 3566 0.0 0.1 1668 504 tty3 Ss+ Mar11 0:00 /sbin/
getty 38400 tty3
root 3567 0.0 0.1 1668 500 tty6 Ss+ Mar11 0:00 /sbin/
getty 38400 tty6
syslog 3605 0.0 0.2 1884 696 ? Ss Mar11 0:02 /sbin/
syslogd -u syslog
root 3623 0.0 0.2 1824 528 ? S Mar11 0:00 /bin/
dd bs 1 if /proc/kmsg of /var/run/klogd/kmsg
klog 3625 0.0 0.7 3136 1988 ? Ss Mar11 0:01 /sbin/
klogd -P /var/run/klogd/kmsg
104 3643 0.0 0.3 2508 780 ? Ss Mar11 0:06 /bin/
dbus-daemon --system
root 3674 0.0 0.2 2052 668 ? Ss Mar11 0:15 /usr/
sbin/dovecot
root 3678 0.0 0.9 9396 2348 ? S Mar11 0:05 \_
dovecot-auth
dovecot 12320 0.0 0.6 3424 1556 ? S 10:10 0:00 \_
pop3-login
root 12359 0.0 0.9 9396 2384 ? S 10:25 0:00 \_
dovecot-auth -w
daemon 3690 0.0 0.1 1940 440 ? Ss Mar11 0:00 /usr/
sbin/atd
root 3716 0.0 0.3 3284 1008 ? Ss Mar11 0:01 /usr/
sbin/cron
root 3726 0.0 0.1 1668 496 tty1 Ss+ Mar11 0:00 /sbin/
getty 38400 tty1
root 3731 0.0 0.9 16076 2512 ? Ssl Mar11 0:19 /usr/
sbin/console-kit-daemon
root 11605 0.0 0.4 5180 1052 ? Ss 06:40 0:00 /usr/
sbin/sshd
root 12385 2.9 1.0 8204 2784 ? Ss 10:31 0:00 \_
sshd: charles [priv]
charles 12392 0.2 0.6 8204 1544 ? S 10:31 0:00
\_ sshd: charles at pts/0
charles 12393 13.4 1.1 5472 2932 pts/0 Ss 10:31
0:02 \_ -bash
charles 12409 0.0 0.3 2616 972 pts/0 R+ 10:31
0:00 \_ ps auxwwf
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