Re: Example for grub-mkimage & grub-setup

[Andrei Borzenkov]

On Mon, Jan 19, 2015 at 10:51 AM, Truth <address@hidden> wrote:
> Thanks for the quick reply.
> In order to learn more about grub I intend to write a live-debian as well as
> an installer-image (e.g. DVD size) on an USB-stick which is able to boot
> from both legacy bios and UEFI.
> While trying to do this I had some problems which end up in grub rescue - it
> turned out that prefix and root where pointing to the wrong partition
> (hd0,gpt2 instead of hd0,gpt4).

Without knowing what you did it is impossible to give any useful comment.

>                                             Even though I was able to fix 
> this problem
> in grub rescue the problem reappeared after reboot. Finally, I found within
> the man pages of grub-mkimage the -c option which seems to be able to solve
> my problem - but I couldn't find any example on how to do this.
> I was also looking into the grub-install script but it turned out that it
> would (at least for me) take quite long to understand what's going on (...
> writing a script is usally more easy than debugging a script from someone
> else).
> I was able to solve the above mentioned problem by starting from scratch but
> I still would like to understand (in more detail) how grub is working. For
> that reason I was asking for an example on how to build grub with
> grub-mkimage and grub-setup only.
> Further comments are welcome ...