> > grub.conf is regenerated, and your mods lost, whenever a new kernel is > installed. i know, i hated it when i first started learning grub2. your > mods belong in /etc/default/grub and /etc/grub.d/40_custom. copy 40_custom > to 07_custom and stuff in there will precede, and thus be what boots by > default. put in there entries which boot via the kernel and initrd in /, > those softlinks are updated whenever a new kernel is installed. then > either regenerate grub.conf, or i confess i then edit the same mods into > grub.conf as well, it's just plain far quicker. > I confess, I do not upgrade kernels often, and I do non of that automatically as you are assuming. Manual everything, system map, etc, etc, and a new entry in grub.conf all the time. Yes, I should be /etc/default/grub-ing, but I do not. > also if you're interested in how to boot multiple installs all from the > same partition, just ask. > Dee needs to know how to do that. I do this all the time, with multiple OSs and lots of tweaks.