Re: [Bug-xorriso] Adding files to an ISO image

[Marko Randjelovic]

On Sun, 09 Nov 2014 19:02:57 +0100
"Thomas Schmitt" <address@hidden> wrote:

> Hi,
> 
> i made more experiments with modifying or growing grml96-small_2014.03.iso.
> The MBR with isohybrid is ok. So BIOS from USB stick should work.
> But GPT is not updated by boot_image "patch" or "keep".
> /boot/efi.img has quite some probability to stay at its position.
> In this case UEFI from USB stick should work too.
> 
> Nevertheless, the best result is achieved with the commands
> proposed by my experimental code and executed by xorriso-1.3.8
> (back to xorriso-1.2.6 with some minor GPT bugs):
> 
>   dd if=grml96-small_2014.03.iso bs=512 count=1 of=isohdpfx.bin
>   xorriso \
>     -indev grml96-small_2014.03.iso \
>     -outdev test_redone.iso \
>     -as mkisofs \
>       -isohybrid-mbr isohdpfx.bin \
>       -partition_cyl_align on \
>       -partition_offset 0 \
>       -partition_hd_cyl 64 \
>       -partition_sec_hd 32 \
>       -c '/boot/isolinux/boot.cat' \
>       -b '/boot/isolinux/isolinux.bin' \
>       -no-emul-boot \
>       -boot-load-size 4 \
>       -boot-info-table \
>       -eltorito-alt-boot \
>       -e '/boot/efi.img' \
>       -no-emul-boot \
>       -boot-load-size 512 \
>       -isohybrid-gpt-basdat \
>       -- \
>    -add $something --

I tried this on my Debian Squeeze system with xorriso version
0.5.6.pl00-2 and looks like new ISO is working perfectly and my
added files are readable.

Kind regards :)

-- 
http://markorandjelovic.hopto.org

One should not be afraid of humans.
Well, I am not afraid of humans, but of what is inhuman in them.
    Ivo Andric, "Signs near the travel-road"