Changing Kernel Parameters

[Michael Cronenworth]

-------- Original Message --------
Subject: Changing Kernel Parameters
From: Kevin Kempter <kevin at kevinkempterllc.com>
To: Community assistance, encouragement, and advice for using Fedora. 
<fedora-list at redhat.com>
Date: 12/12/2008 04:32 PM

> Hi All;
> 
> I can change kernel params at runtime like this:
> 
> # sysctl -w kernel.shmmax=3219120128
> 
> However upon a reboot the parameter returns to its original value.
> How can I change the parameter permanently ?
> 

You want to add your configuration parameter to the /etc/sysctl.conf 
file and issue a sysctl -p to reload the config.