[LAU] how to install the real time preempt kernel in ubuntu12.04 and make it the defult?

[SxDx]

----- Original Message -----
> From: "James Harkins" <jamshark70 at gmail.com>
> Maybe overkill: grub-customizer lets you choose whichever installed
> kernel you want to be the default.

edit /etc/default/grub and change GRUB_DEFAULT=0 to whatever you want
(0 is first entry in the list, 1 is second entry, and so on)
then run 'update-grub' as root (I suppose)

info -f grub -n 'Simple configuration'
says it all