I'd think that 64M would be plenty but you'll have to tune it.
The kernel isn't your problem, though - it's bigger but not
THAT much bigger.
get rid of more services, cut it down to everything you know you
need. If you're not sure about something, find out (via research
or worst case, trial & error).
candidates for removal that come with some default installs:
all nfs support (portmap, nfs, nfslock, rpcgssd, rpcidmapd, rpcsvcgssd)
samba
sendmail - forward your mail to a mail hub, and don't run sendmail in
daemon mode. remember to run sendmail -q out of cron every few hours
in case you try to send mail while your mail hub is down.
printing support (cups)
xinetd (not necessary if you're just running web server & sshd)
gpm (mouse support)
mdmonitor (provides software raid monitoring, definitely valuable)
smartd (gets smart status from hard disks, definitely valuable)
ntpd (for most purposes a daily ntpdate is fine)
syslogd (you really need this, but you might be able to get away with
sending syslog messages to another host without running your own local
syslogd)
Try doing top & sorting by memory usage (m or M).
On Mon, Oct 10, 2005 at 10:52:39AM -0500, Jerry Geis wrote:
> All,
>
> I have an old computer 64M 350Mhz pentium II.
> centos os 4.1 installs on it fine. however on boot
> it says low memory and it kills certain processes. httpd or sendmail.
>
> I have a 2GIG swap and I did a chkconfig XXX off on a few things
> like xfs, nfs, httpd, kudzu.
>
> My old 2.4 kernel used to run in 4M with a swap...
>
> I had recompiled the kernel (took a while) to enable the cyclades module.
>
> Any suggestions on running with low memory, thanks,
>
> Jerry
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danno
--
dan pritts - systems administrator - internet2
734/352-4953 office 734/834-7224 mobile
