[TriLUG] CentOS 5.5: kickstart shmall and shmmax woes

Kristopher Kane kristopher.kane at gmail.com
Thu Jan 6 21:45:01 EST 2011

On Thu, Jan 6, 2011 at 9:31 PM, Brian Weaver <cmdrclueless at gmail.com> wrote:

> Kristopher,
> The only problem with what you've posted is that it requires the system to
> be rebooted. I need PostgreSQL to run during the initial kickstart. I've
> added a bit of code to the %pre section of the kickstart configuration to
> work around the issue. I'm just curious why it changes during package
> installation on a cdrom install but doesn't change during package
> installation of a network install.


>From the second post,

$ sysctl -w kernel.shmmax=17179869184

This should, according to man, modify at runtime while editing the
conf file will make it persistent.  Does anyone know if the chroot of
kickstart changes this normal function?


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