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Re: revert in grub2

From: Felix Zielcke
Subject: Re: revert in grub2
Date: Sat, 02 Jan 2010 10:38:14 +0100

Am Freitag, den 01.01.2010, 23:05 +0300 schrieb Mihamina Rakotomandimby:
> Manao ahoana, Hello, Bonjour,
> How to reproduce the "revert" LILO feature with GRUB2?
> I believe everyone here knows what it is, but a quick explanation for
> those not knowing:
> With LILO, I can setup a default image to boot on.
> But, I also can setup the next entry to boot on, that may be different
> to the default one.
> After that first following boot, the default entry will be used.
> What usage? 
> It is usefull for me when testing a kernel on a remote
> server. I set the default to a reliable boot image. I set the "revert"
> to the testing one. I boot: it boots on the "revert" one.
> If it ever doesnt boot, I initiate a hard reboot (electric cutoff) and
> then it boots on the safe one.
> I play with LILO just for that feature, I would like to switch to
> Misaotra, Thanks, Merci.

Experimental branch has grub-reboot to boot an entry only once for the
next reboot. But unfortunately this currently due to a bug just defaults
to grub-set-default, i.e. always boot that entry then.

Felix Zielcke
Proud Debian Maintainer and GNU GRUB developer

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