[CentOS] System requirements

Thu Apr 5 00:33:52 UTC 2007
R P Herrold <herrold at owlriver.com>

On Wed, 4 Apr 2007, Grzesiek wrote:

> System requirements for CentOS 5 minimal installation (console and
> ssh) are....128 MB ram, 256...? I can't find this information in rhel5
> installation manual.

I did a PXE (over the wire) install of centos 5, beta 2, onto 
a HP Vectra unit with a Celeron 700, and 256 meg of ram 
yesterday -- all works fine -- the unit is rsyncing a backup 
at the moment.

Last login: Wed Apr  4 03:24:44 2007 from centos-4.first.lan
[herrold at dhcp-232 ~]$ ps afx ; free ; w
   PID TTY      STAT   TIME COMMAND
     1 ?        Ss     0:01 init [3]
     2 ?        S      0:00 [migration/0]
     3 ?        SN     0:00 [ksoftirqd/0]
     4 ?        S      0:00 [watchdog/0]
     5 ?        S<     0:00 [events/0]
     6 ?        S<     0:00 [khelper]
     7 ?        S<     0:00 [kthread]
    10 ?        S<     0:00  \_ [kblockd/0]
    11 ?        S<     0:00  \_ [kacpid]
    68 ?        S<     0:00  \_ [cqueue/0]
    71 ?        S<     0:00  \_ [khubd]
    73 ?        S<     0:00  \_ [kseriod]
   130 ?        S      0:00  \_ [pdflush]
   131 ?        S      0:04  \_ [pdflush]
   132 ?        S<     0:03  \_ [kswapd0]
   133 ?        S<     0:00  \_ [aio/0]
   285 ?        S<     0:00  \_ [kpsmoused]
   306 ?        S<     0:00  \_ [kmirrord]
   311 ?        S<     0:00  \_ [ksnapd]
   314 ?        S<     0:05  \_ [kjournald]
   346 ?        S<     0:00  \_ [kauditd]
  1059 ?        S<     0:00  \_ [kjournald]
   380 ?        S<s    0:00 /sbin/udevd -d
  1551 ?        Ss     0:00 /sbin/dhclient -1 -q -lf  /var/lib/dhclient/dhclient-e
  1661 ?        Ss     0:00 /usr/sbin/restorecond
  1677 ?        S<sl   0:00 auditd
  1679 ?        S<s    0:00  \_ python /sbin/audispd
  1697 ?        Ss     0:00 syslogd -m 0
  1700 ?        Ss     0:00 klogd -x
  1735 ?        Ss     0:00 mcstransd
  1757 ?        Ss     0:00 portmap
  1782 ?        Ss     0:00 rpc.statd
  1823 ?        Ss     0:00 rpc.idmapd
  1850 ?        Ssl    0:00 dbus-daemon --system
  1866 ?        Ss     0:00 /usr/sbin/hcid
  1876 ?        Ss     0:00 /usr/sbin/sdpd
  1889 ?        S<     0:00 [krfcommd]
  1937 ?        Ssl    0:00 pcscd
  1960 ?        Ss     0:00 /usr/bin/hidd --server
  1979 ?        Ssl    0:02 automount
  2002 ?        Ss     0:00 /usr/sbin/acpid
  2017 ?        Ss     0:00 cupsd
  2035 ?        Ss     0:00 /usr/sbin/sshd
  8947 ?        Ss     0:00  \_ sshd: herrold [priv]
  8949 ?        S      0:00  |   \_ sshd: herrold at pts/0
  8950 pts/0    Ss     0:00  |       \_ -bash
12317 pts/0    S+     0:00  |           \_ /bin/sh  ./domain-back.sh
12318 pts/0    S+     0:03  |               \_ rsync -av  --exclude home/billt/ -
12319 pts/0    S+     0:35  |                   \_ ssh  www2.domain.com rsy
12322 pts/0    S+     0:15  |                   \_ rsync -av  --exclude home/bill
13330 ?        Ss     0:00  \_ sshd: herrold [priv]
13332 ?        S      0:00      \_ sshd: herrold at pts/1
13333 pts/1    Ss     0:00          \_ -bash
13356 pts/1    R+     0:00              \_ ps afx
  2059 ?        Ss     0:00 sendmail: accepting connections
  2068 ?        Ss     0:00 sendmail: Queue runner at 01:00:00 for  /var/spool/client
  2084 ?        Ss     0:00 gpm -m /dev/input/mice -t exps2
  2099 ?        Ss     0:00 crond
  2128 ?        Ss     0:00 /usr/sbin/atd
  2143 ?        S      0:00 /usr/bin/python  /usr/sbin/yum-updatesd
  2158 ?        Ss     0:01 hald
  2159 ?        S      0:00  \_ hald-runner
  2165 ?        S      0:00      \_ hald-addon-acpi: listening  on acpid socket /v
  2169 ?        S      0:00      \_ hald-addon-keyboard:  listening on /dev/input/
  2218 ?        S      0:00 /usr/sbin/smartd -q never
  2221 tty1     Ss+    0:00 /sbin/mingetty tty1
  2222 tty2     Ss+    0:00 /sbin/mingetty tty2
  2223 tty3     Ss+    0:00 /sbin/mingetty tty3
  2224 tty4     Ss+    0:00 /sbin/mingetty tty4
  2225 tty5     Ss+    0:00 /sbin/mingetty tty5
  2226 tty6     Ss+    0:00 /sbin/mingetty tty6
              total       used       free     shared    buffers     cached
Mem:        254616     250760       3856          0       9284     178020
-/+ buffers/cache:      63456     191160
Swap:       524280          84     524196
  14:39:32 up 1 day,  2:46,  2 users,  load average: 0.00, 0.00, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
herrold  pts/0    centos-4.first.l 03:24    1:50m 55.24s   0.36s sshd: herrold [
herrold  pts/1    centos-4.first.l 14:39    0.00s  0.09s   0.00s w
[herrold at dhcp-232 ~]$

-- Russ Herrold