Please don't post HTML to mailing lists On Tue, 17 Aug 2004, Davis, Harry wrote: >I have a stituation where a Hyperthreading system needs to automatically >come up in a Uniprocessor kernel. I've tried a couple of simepl things, >such as running: > >%post >sed '/default/s/0/1/g' /mnt/sysimage/boot/grub/grub.conf Where's this writing to? As you have it here, it'll fall out of stdout, /dev/tty3 by default in a kickstart install, but that won't fix it in the actual file. >And if I force a the system not to reboot, I see that the changes are >made. What happens after the post install is finished that is causing >Grub to revert to the SMP kerenel? Nothing runs after %post (AFAIK). Try this: %post perl -pi -e 's/^default=0/default=1/' /boot/grub/grub.conf Cheers, Phil