We edit the /etc/rc directly; comment out the line with the default settings and add a new one just underneath it. The only time this can cause a problem is that softwareupdate has been known to overwrite our settings from time to time, but you just have to check after patching and put it back in if goes. Probably not the right way to do it, but it has always worked for us!
Alex Stanier
EGS Limited

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Maximilian Tyrtania wrote: 
Hi again,

Tom, I suspect you have Mac OS X Server installed, right? That's probably
why your /etc/sysctl.conf file mentions that /etc/sysctl-macosxserver.conf
file, while mine doesn't.

The critical part in my /etc/sysctl.conf file looks like this:

if [ -f /etc/sysctl.conf ]; then
        awk '{ if (!index($1, "#") && index($1, "=")) print $1 }' <
/etc/sysctl.conf | while read
        do
                sysctl -w ${REPLY}
        done
fi

sysctl -w kern.sysv.shmmax=4194304 kern.sysv.shmmin=1 kern.sysv.shmmni=32
kern.sysv.shmseg=8 kern.sysv.shmall=1024


And frankly, to me it looks as if it means "if there is a /etc/sysctl.conf
file, then read it and accept its settings. Then overwrite the sysctl
settings with the default values, no matter what."

I know that my understanding is wrong though, because I tried changing the
settings on my local machine via the /etc/sysctl.conf file, and it worked.
But not on the machine that's supposed to be our pg server.

  
As a debugging measure, see what happens if you change that last
sysctl line in /etc/rc.
    

Okay, I will try that.

Thanks,

  Maximilian Tyrtania | IT-Entwickler
  Mty@fischerAppelt.de
  fischerAppelt Kommunikation GmbH
  Friedichstr. 149 | D-10117 Berlin | Germany
  Tel. ++49-30-726146-728 | Fax ++49-30-726146-710
  www.fischerAppelt.de
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