[syslinux] xorriso or genisoimage syntax assistance
Thomas Schmitt
scdbackup at gmx.net
Sun Feb 2 10:51:18 PST 2014
Hi,
(My apologies to Geert Stappers for the inappropriate branch
which i grafted on his thread today. It still grows. But
i do my share to dry it out by replying to a message in
the correct thread. :))
Dean Graff wrote:
> But I really want to push xorriso to its limits.
Be invited.
> -partition_offset 16 \
This makes the partition table look more normal.
But it should not be a hard precondition for later adding more
partitions by help of some partition editor program.
> [without it] # Creates an error for parted. does not work.
This is a peculiarity of parted, i'd say.
The partition start at block 0 is unusual, but not really a
reason to refuse work.
What error message exactly do you get ?
> -partition_cyl_align auto \
This is the default.
> i first have to run `isohybrid output.iso'
I see that you already noticed option
-isohybrid-mbr usr/share/syslinux/isohdpfx.bin
as pointed out by Mattias. It has the same effect as a run
of program "isohybrid". (The stuff after -eltorito-alt-boot
is for UEFI. You'd need a suitable File efi.img for that.)
The file isohdpfx.bin comes with SYSLINUX.
xorriso will copy it to the very start of the emerging ISO image
and patch in a few bytes in order to connect it to the file
/boot/isolinux/isolinux.bin
Have a nice day :)
Thomas
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