mkisofs not genisoimage
lynnevan
navennyl at sitestar.net
Fri Jan 18 10:15:16 UTC 2008
In the last 2 fedoras, in opensuse 10.3, and at least Mandriva2008, all
have soft linked 'mkisofs' to genisoimage, as if they were the same, or
at least performed equally.
Not so.
>From "info grub" I got this info and used it and would still like to use
it, rather than floppys or pendrives. I keep my windows MBR clean by
using 'diskprobe' and 'disksave' after a linux install - reinstalling a
clean MBR.
To boot linux I then used 'mkisofs' from the "info grub" to make a
bootable grub CD:
<quote>3.4 Making a GRUB bootable CD-ROM
=================================
<snip>
Here is an example of procedures to make a bootable CD-ROM image.
First, make a top directory for the bootable image, say, `iso':
$ mkdir iso
Make a directory for GRUB:
$ mkdir -p iso/boot/grub
Copy the file `stage2_eltorito':
$ cp /usr/lib/grub/i386-pc/stage2_eltorito iso/boot/grub
If desired, make the config file `menu.lst' under `iso/boot/grub'
(*note Configuration::), and copy any files and directories for the
disc to the directory `iso/'.
Finally, make a ISO9660 image file like this:
$ mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot \
-boot-load-size 4 -boot-info-table -o grub.iso iso
<snip>
</quote>
Genisoimage doesn't make a bootable CD, at least not with these
parameter - and nothing I've tried so far works.
Can someone can tell me the correct options? Or even if genisoimage is
capable of doing what 'mkisofs' did?
I know I can boot from floppy (but floppys are disappearing), or
pendrive (if I wan't a pendrive to shrink to 1.44MB). I really don't
like losing the bootable grub CD option.
Thanks for any clarification.
lynnevan
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