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Re: [OT] extracting boot image from 'el torito' image



On Wed, Jun 13, 2001 at 03:05:14PM -0400, Adam Di Carlo wrote:
> Brent Verner <brent@rcfile.org> writes:
> 
> > On 13 Jun 2001 at 01:01 (-0400), Adam Di Carlo wrote:
> > | Brent Verner <brent@rcfile.org> writes:
> > | 
> > | > Hi,
> > | >   Sorry for the noise, but I figured this is the best list for the
> > | > question.
> > | > 
> > | >   How can I extract the boot image from a bootable ISO image?
> > | > 
> > | > I've tried
> > | >     dd if=iso.raw of=boot.img bs=2 skip=21 count=720
> > | > but it doesn't give me the bootable floppy image.
> > | 
> > | The disk itself is the bootable image.
> > 
> > well, yes, the cdrom does contain a bootable (1.44 or 2.88) image. 
> > I would like to see that image. I believe there is no convenient
> > way to do this with current tools.
> 
> Sure -- find the rescue.bin file and do :
> 
>    dd of=/dev/fd0 if=rescue.bin bs=1024

Or you could also try

	mkdir torito
	mount -o ro,loop=/dev/loop0 rescue.bin torito/

if you have a 'loop-able' kernel

then access the content of rescue.bin from torito/ dir

-- 
Eric VAN BUGGENHAUT

Eric.VanBuggenhaut@AdValvas.be



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