Re: Booting into a different entry without changing grub.conf

[Pavel Roskin <proski@gnu.org>]

On Wed, 2008-04-09 at 10:01 +0300, Mark Ryden wrote:
> Hello,
> 
> I have in my grub.conf this entry: default=0.

grub.conf was used in GRUB 1 only, which should be discussed in
bug-grub@gnu.org.  GRUB 2 uses grub.cfg.

> This entry has the original kernel and initrd which came with my Linux
> distribution.
> Instead of booting to the first entry (default=0) , I want to reboot into the
> second entry (which will point to a linux kernel I had build myself
> for tests).
> ; but **withouth** changing the (default=0) entry
> in grub.conf to the second grub entry (which contains paths to images which
> are selected for boot when default=1); this because in
> case I will have a panic when booting (which sometimes occur, for
> various reasons)
> , I want to be able to reboot the machine immedaitely back to default=0.
> (In order that I will NOT have the panic again)
> Is it possible ?

GRUB 1 has "savedefault" for that.  Adding "savedefault 0" to the second
entry would tell grub to boot the first entry next time.  GRUB 2 doesn't
have such facility yet.

-- 
Regards,
Pavel Roskin