Hallo,
ich habe einen 9.2 SuSe Linux Server im Internet und schaute mir die Liste der aktuellen Dienste an.
Dabei wurde ziemlich viel Systemspeicher gebraucht von den 512 MB-Ramm. Also ist meine Frage: Welche Programme oder dienste kann ich auf dem Web-Server deaktivieren?
donau180:~ # ps auxf
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 596 80 ? S Jul17 0:00 init [3]
root 2 0.0 0.0 0 0 ? S Jul17 0:00 [migration/0]
root 3 0.0 0.0 0 0 ? SN Jul17 0:00 [ksoftirqd/0]
root 4 0.0 0.0 0 0 ? S Jul17 0:00 [migration/1]
root 5 0.0 0.0 0 0 ? SN Jul17 0:00 [ksoftirqd/1]
root 6 0.0 0.0 0 0 ? S< Jul17 0:00 [events/0]
root 8 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [khelper]
root 10 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [netlink/1]
root 12 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [kblockd/1]
root 40 0.0 0.0 0 0 ? S Jul17 0:00 \_ [pdflush]
root 43 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [aio/1]
root 1391 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [ata/0]
root 7 0.0 0.0 0 0 ? S< Jul17 0:00 [events/1]
root 9 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [netlink/0]
root 11 0.0 0.0 0 0 ? S< Jul17 0:03 \_ [kblockd/0]
root 39 0.0 0.0 0 0 ? S Jul17 0:01 \_ [pdflush]
root 42 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [aio/0]
root 1392 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [ata/1]
root 38 0.0 0.0 0 0 ? S Jul17 0:00 [kirqd]
root 41 0.0 0.0 0 0 ? S Jul17 0:01 [kswapd0]
root 625 0.0 0.0 0 0 ? S Jul17 0:00 [kseriod]
root 1394 0.0 0.0 0 0 ? S Jul17 0:00 [scsi_eh_0]
root 1395 0.0 0.0 0 0 ? S Jul17 0:00 [scsi_eh_1]
root 1540 0.2 0.0 0 0 ? R Jul17 21:26 [kjournald]
root 1929 0.0 0.0 0 0 ? S Jul17 0:00 [khubd]
root 1994 0.0 0.0 1364 252 ? S<s Jul17 0:00 udevd
root 2171 0.0 0.0 1440 308 ? S Jul17 0:00 [hwscand]
root 2693 0.0 0.1 1444 592 ? Ss Jul17 7:08 /sbin/syslogd -a /var/lib/named/dev/log -a /var/lib/ntp/dev/log
root 2696 0.0 0.0 1516 372 ? Ss Jul17 0:00 /sbin/klogd -c 1 -2 -x
root 2706 0.0 0.1 4700 1000 ? Ss Jul17 0:00 /usr/sbin/saslauthd -a pam
root 2707 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2708 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2709 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2710 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2720 0.0 0.0 1412 388 ? Ss Jul17 0:00 /sbin/resmgrd
root 2744 0.0 0.1 2076 784 ? Ss Jul17 0:00 /usr/sbin/xinetd
root 2785 0.0 0.3 5156 1724 ? Ss Jul17 0:03 /usr/sbin/sshd -o PidFile=/var/run/sshd.init.pid
root 11048 0.0 0.4 8692 2408 ? Ss 18:53 0:00 \_ sshd: root@pts/4
root 11051 0.0 0.3 3108 1772 pts/4 Ss 18:53 0:00 \_ -bash
root 11114 0.0 0.1 2368 696 pts/4 R+ 19:04 0:00 \_ ps auxf
root 2881 0.0 0.1 43100 764 ? Ssl Jul17 0:01 /usr/sbin/nscd
root 3022 0.0 0.1 1660 592 ? Ss Jul17 0:00 /usr/sbin/cron
root 3026 0.0 0.1 1824 508 tty1 Ss+ Jul17 0:00 /sbin/mingetty --noclear tty1
root 3027 0.0 0.1 1824 508 tty2 Ss+ Jul17 0:00 /sbin/mingetty tty2
root 3028 0.0 0.1 1824 508 tty3 Ss+ Jul17 0:00 /sbin/mingetty tty3
root 3029 0.0 0.1 1824 508 tty4 Ss+ Jul17 0:00 /sbin/mingetty tty4
root 3030 0.0 0.1 1824 508 tty5 Ss+ Jul17 0:00 /sbin/mingetty tty5
root 3031 0.0 0.1 1824 508 tty6 Ss+ Jul17 0:00 /sbin/mingetty tty6
mail 3637 0.0 0.3 5704 1644 ? Ss Jul17 0:00 sendmail: Queue control
mail 3638 2.8 37.4 193544 188924 ? D Jul17 218:44 \_ sendmail: ./j6LGU1QH006068 from queue
root 24975 0.0 0.1 3512 992 ? S Jul19 0:00 /bin/sh /usr/bin/mysqld_safe --user=mysql --pid-file=/var/lib/m
mysql 25009 0.0 0.7 72864 4036 ? Sl Jul19 0:00 \_ /usr/sbin/mysqld-max --basedir=/usr --datadir=/var/lib/mysq
root 4057 0.0 0.3 24920 1884 ? S Jul21 0:01 /home/rpg/palace/bin/pserver -f /home/rpg/palace/palace/psdata/
root 4058 0.0 0.0 1448 468 ? S Jul21 0:00 \_ /home/rpg/palace/bin/psfront -p 9998 -r /home/rpg/palace/pa
root 4059 0.0 0.2 1988 1024 ? S Jul21 0:01 \_ /home/rpg/palace/bin/psfront -p 9998 -r /home/rpg/palac
Und hier der top-Auszug:
top - 19:21:49 up 5 days, 7:54, 1 user, load average: 0.44, 0.51, 0.47
Tasks: 55 total, 1 running, 54 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0% us, 0.7% sy, 0.0% ni, 96.2% id, 2.0% wa, 0.0% hi, 0.0% si
Mem: 505108k total, 496056k used, 9052k free, 35232k buffers
Swap: 530136k total, 35008k used, 495128k free, 222660k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 596 80 452 S 0.0 0.0 0:00.79 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.04 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 0:00.09 migration/1
5 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/1
6 root 5 -10 0 0 0 S 0.0 0.0 0:00.01 events/0
7 root 5 -10 0 0 0 S 0.0 0.0 0:00.05 events/1
8 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 khelper
9 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 netlink/0
10 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 netlink/1
11 root 5 -10 0 0 0 S 0.0 0.0 0:03.15 kblockd/0
12 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 kblockd/1
39 root 15 0 0 0 0 S 0.0 0.0 0:01.70 pdflush
38 root 15 0 0 0 0 S 0.0 0.0 0:00.33 kirqd
40 root 15 0 0 0 0 S 0.0 0.0 0:00.64 pdflush
42 root 9 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
41 root 15 0 0 0 0 S 0.0 0.0 0:01.87 kswapd0
43 root 8 -10 0 0 0 S 0.0 0.0 0:00.00 aio/1
625 root 24 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
1391 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 ata/0
1392 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 ata/1
1394 root 23 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
1395 root 24 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
1540 root 15 0 0 0 0 S 0.0 0.0 21:37.26 kjournald
1929 root 19 0 0 0 0 S 0.0 0.0 0:00.00 khubd
1994 root 6 -10 1364 256 1212 S 0.0 0.1 0:00.00 udevd
2171 root 15 0 1440 308 1212 S 0.0 0.1 0:00.00 hwscand
2693 root 16 0 1444 592 1276 S 0.0 0.1 7:11.36 syslogd
2696 root 16 0 1516 376 1228 S 0.0 0.1 0:00.00 klogd
2706 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2707 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2708 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2709 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2710 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2720 root 18 0 1412 392 1252 S 0.0 0.1 0:00.00 resmgrd
2744 root 15 0 2076 784 1744 S 0.0 0.2 0:00.06 xinetd
2785 root 16 0 5156 1728 4752 S 0.0 0.3 0:03.62 sshd
2881 root 16 0 43100 768 1940 S 0.0 0.2 0:01.66 nscd
3022 root 16 0 1660 592 1504 S 0.0 0.1 0:00.47 cron
3026 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3027 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3028 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3029 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3030 root 18 0 1824 508 1660 S 0.0 0.1 0:00.00 mingetty
3031 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3637 mail 21 0 5704 1648 4700 S 0.0 0.3 0:00.00 sendmail
3638 mail 15 0 190m 185m 4700 S 0.0 37.6 221:22.29 sendmail
24975 root 21 0 3512 996 3312 S 0.0 0.2 0:00.00 mysqld_safe
25009 mysql 15 0 72864 4040 6748 S 0.0 0.8 0:00.13 mysqld-max
4057 root 16 0 24920 1896 1928 S 0.0 0.4 0:01.33 pserver
4058 root 16 0 1448 468 1260 S 0.0 0.1 0:00.00 psfront
4059 root 16 0 1988 1024 1300 S 0.0 0.2 0:01.03 psfront
11048 root 15 0 8692 2408 5340 S 0.0 0.5 0:00.04 sshd
11051 root 16 0 3108 1772 2640 S 0.0 0.4 0:00.03 bash
11159 root 16 0 1968 828 1764 R 0.0 0.2 0:00.00 top
ich habe einen 9.2 SuSe Linux Server im Internet und schaute mir die Liste der aktuellen Dienste an.
Dabei wurde ziemlich viel Systemspeicher gebraucht von den 512 MB-Ramm. Also ist meine Frage: Welche Programme oder dienste kann ich auf dem Web-Server deaktivieren?
donau180:~ # ps auxf
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 596 80 ? S Jul17 0:00 init [3]
root 2 0.0 0.0 0 0 ? S Jul17 0:00 [migration/0]
root 3 0.0 0.0 0 0 ? SN Jul17 0:00 [ksoftirqd/0]
root 4 0.0 0.0 0 0 ? S Jul17 0:00 [migration/1]
root 5 0.0 0.0 0 0 ? SN Jul17 0:00 [ksoftirqd/1]
root 6 0.0 0.0 0 0 ? S< Jul17 0:00 [events/0]
root 8 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [khelper]
root 10 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [netlink/1]
root 12 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [kblockd/1]
root 40 0.0 0.0 0 0 ? S Jul17 0:00 \_ [pdflush]
root 43 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [aio/1]
root 1391 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [ata/0]
root 7 0.0 0.0 0 0 ? S< Jul17 0:00 [events/1]
root 9 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [netlink/0]
root 11 0.0 0.0 0 0 ? S< Jul17 0:03 \_ [kblockd/0]
root 39 0.0 0.0 0 0 ? S Jul17 0:01 \_ [pdflush]
root 42 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [aio/0]
root 1392 0.0 0.0 0 0 ? S< Jul17 0:00 \_ [ata/1]
root 38 0.0 0.0 0 0 ? S Jul17 0:00 [kirqd]
root 41 0.0 0.0 0 0 ? S Jul17 0:01 [kswapd0]
root 625 0.0 0.0 0 0 ? S Jul17 0:00 [kseriod]
root 1394 0.0 0.0 0 0 ? S Jul17 0:00 [scsi_eh_0]
root 1395 0.0 0.0 0 0 ? S Jul17 0:00 [scsi_eh_1]
root 1540 0.2 0.0 0 0 ? R Jul17 21:26 [kjournald]
root 1929 0.0 0.0 0 0 ? S Jul17 0:00 [khubd]
root 1994 0.0 0.0 1364 252 ? S<s Jul17 0:00 udevd
root 2171 0.0 0.0 1440 308 ? S Jul17 0:00 [hwscand]
root 2693 0.0 0.1 1444 592 ? Ss Jul17 7:08 /sbin/syslogd -a /var/lib/named/dev/log -a /var/lib/ntp/dev/log
root 2696 0.0 0.0 1516 372 ? Ss Jul17 0:00 /sbin/klogd -c 1 -2 -x
root 2706 0.0 0.1 4700 1000 ? Ss Jul17 0:00 /usr/sbin/saslauthd -a pam
root 2707 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2708 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2709 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2710 0.0 0.1 4700 1000 ? S Jul17 0:00 \_ /usr/sbin/saslauthd -a pam
root 2720 0.0 0.0 1412 388 ? Ss Jul17 0:00 /sbin/resmgrd
root 2744 0.0 0.1 2076 784 ? Ss Jul17 0:00 /usr/sbin/xinetd
root 2785 0.0 0.3 5156 1724 ? Ss Jul17 0:03 /usr/sbin/sshd -o PidFile=/var/run/sshd.init.pid
root 11048 0.0 0.4 8692 2408 ? Ss 18:53 0:00 \_ sshd: root@pts/4
root 11051 0.0 0.3 3108 1772 pts/4 Ss 18:53 0:00 \_ -bash
root 11114 0.0 0.1 2368 696 pts/4 R+ 19:04 0:00 \_ ps auxf
root 2881 0.0 0.1 43100 764 ? Ssl Jul17 0:01 /usr/sbin/nscd
root 3022 0.0 0.1 1660 592 ? Ss Jul17 0:00 /usr/sbin/cron
root 3026 0.0 0.1 1824 508 tty1 Ss+ Jul17 0:00 /sbin/mingetty --noclear tty1
root 3027 0.0 0.1 1824 508 tty2 Ss+ Jul17 0:00 /sbin/mingetty tty2
root 3028 0.0 0.1 1824 508 tty3 Ss+ Jul17 0:00 /sbin/mingetty tty3
root 3029 0.0 0.1 1824 508 tty4 Ss+ Jul17 0:00 /sbin/mingetty tty4
root 3030 0.0 0.1 1824 508 tty5 Ss+ Jul17 0:00 /sbin/mingetty tty5
root 3031 0.0 0.1 1824 508 tty6 Ss+ Jul17 0:00 /sbin/mingetty tty6
mail 3637 0.0 0.3 5704 1644 ? Ss Jul17 0:00 sendmail: Queue control
mail 3638 2.8 37.4 193544 188924 ? D Jul17 218:44 \_ sendmail: ./j6LGU1QH006068 from queue
root 24975 0.0 0.1 3512 992 ? S Jul19 0:00 /bin/sh /usr/bin/mysqld_safe --user=mysql --pid-file=/var/lib/m
mysql 25009 0.0 0.7 72864 4036 ? Sl Jul19 0:00 \_ /usr/sbin/mysqld-max --basedir=/usr --datadir=/var/lib/mysq
root 4057 0.0 0.3 24920 1884 ? S Jul21 0:01 /home/rpg/palace/bin/pserver -f /home/rpg/palace/palace/psdata/
root 4058 0.0 0.0 1448 468 ? S Jul21 0:00 \_ /home/rpg/palace/bin/psfront -p 9998 -r /home/rpg/palace/pa
root 4059 0.0 0.2 1988 1024 ? S Jul21 0:01 \_ /home/rpg/palace/bin/psfront -p 9998 -r /home/rpg/palac
Und hier der top-Auszug:
top - 19:21:49 up 5 days, 7:54, 1 user, load average: 0.44, 0.51, 0.47
Tasks: 55 total, 1 running, 54 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0% us, 0.7% sy, 0.0% ni, 96.2% id, 2.0% wa, 0.0% hi, 0.0% si
Mem: 505108k total, 496056k used, 9052k free, 35232k buffers
Swap: 530136k total, 35008k used, 495128k free, 222660k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 596 80 452 S 0.0 0.0 0:00.79 init
2 root RT 0 0 0 0 S 0.0 0.0 0:00.04 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 0:00.09 migration/1
5 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/1
6 root 5 -10 0 0 0 S 0.0 0.0 0:00.01 events/0
7 root 5 -10 0 0 0 S 0.0 0.0 0:00.05 events/1
8 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 khelper
9 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 netlink/0
10 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 netlink/1
11 root 5 -10 0 0 0 S 0.0 0.0 0:03.15 kblockd/0
12 root 5 -10 0 0 0 S 0.0 0.0 0:00.02 kblockd/1
39 root 15 0 0 0 0 S 0.0 0.0 0:01.70 pdflush
38 root 15 0 0 0 0 S 0.0 0.0 0:00.33 kirqd
40 root 15 0 0 0 0 S 0.0 0.0 0:00.64 pdflush
42 root 9 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
41 root 15 0 0 0 0 S 0.0 0.0 0:01.87 kswapd0
43 root 8 -10 0 0 0 S 0.0 0.0 0:00.00 aio/1
625 root 24 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
1391 root 6 -10 0 0 0 S 0.0 0.0 0:00.00 ata/0
1392 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 ata/1
1394 root 23 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
1395 root 24 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
1540 root 15 0 0 0 0 S 0.0 0.0 21:37.26 kjournald
1929 root 19 0 0 0 0 S 0.0 0.0 0:00.00 khubd
1994 root 6 -10 1364 256 1212 S 0.0 0.1 0:00.00 udevd
2171 root 15 0 1440 308 1212 S 0.0 0.1 0:00.00 hwscand
2693 root 16 0 1444 592 1276 S 0.0 0.1 7:11.36 syslogd
2696 root 16 0 1516 376 1228 S 0.0 0.1 0:00.00 klogd
2706 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2707 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2708 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2709 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2710 root 18 0 4700 1004 4348 S 0.0 0.2 0:00.00 saslauthd
2720 root 18 0 1412 392 1252 S 0.0 0.1 0:00.00 resmgrd
2744 root 15 0 2076 784 1744 S 0.0 0.2 0:00.06 xinetd
2785 root 16 0 5156 1728 4752 S 0.0 0.3 0:03.62 sshd
2881 root 16 0 43100 768 1940 S 0.0 0.2 0:01.66 nscd
3022 root 16 0 1660 592 1504 S 0.0 0.1 0:00.47 cron
3026 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3027 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3028 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3029 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3030 root 18 0 1824 508 1660 S 0.0 0.1 0:00.00 mingetty
3031 root 18 0 1824 508 1660 S 0.0 0.1 0:00.01 mingetty
3637 mail 21 0 5704 1648 4700 S 0.0 0.3 0:00.00 sendmail
3638 mail 15 0 190m 185m 4700 S 0.0 37.6 221:22.29 sendmail
24975 root 21 0 3512 996 3312 S 0.0 0.2 0:00.00 mysqld_safe
25009 mysql 15 0 72864 4040 6748 S 0.0 0.8 0:00.13 mysqld-max
4057 root 16 0 24920 1896 1928 S 0.0 0.4 0:01.33 pserver
4058 root 16 0 1448 468 1260 S 0.0 0.1 0:00.00 psfront
4059 root 16 0 1988 1024 1300 S 0.0 0.2 0:01.03 psfront
11048 root 15 0 8692 2408 5340 S 0.0 0.5 0:00.04 sshd
11051 root 16 0 3108 1772 2640 S 0.0 0.4 0:00.03 bash
11159 root 16 0 1968 828 1764 R 0.0 0.2 0:00.00 top