Error trying to build custom Ubuntu 18.04 iso using xorriso

grill_gus

#!/bin/bash # The example names get mapped to their roles here orig_iso="$HOME"/iso/foxclone.iso new_iso="$HOME"/iso/foxclone025-02.iso mbr_template="$HOME"/isohdpfx.bin workdir="$HOME"/work echo $HOME echo $workdir is workdir # Extract MBR template file to disk dd if="$orig_iso" bs=1 count=432 of="$mbr_template" # Create the new ISO image xorriso -as mkisofs \ -U \ -allow-lowercase \ -r -V 'foxclone025-02' \ -o "$new_iso" \ -J -J -joliet-long \...

Originally asked by larry78723 on Stack Exchange (askubuntu) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

the complaint of xorriso says that the -b file is not found in the ISO. In the command i see two reasons for this: 1: You use the absolute disk path instead of the path in the ISO. 2: There is no xorriso argument to see by which the file would get into the ISO. Actually no files at all seem to get mapped into the ISO. Proposal: If you want all files of "$workdir" in the ISO, add argument "$workdir". If you expect isolinux.bin to show up in /isolinux/ of the ISO, remove from the path of option -b the prefix "$workdir"/ so that the path complies to the prescription of both, mkisofs and xorrisofs (*). xorriso -as mkisofs ... -b isolinux/isolinux.bin ... "$workdir" (*) mkisofs demands disk...

Full answer by Thomas Schmitt: https://askubuntu.stackexchange.com/a/1199911 (CC BY-SA 4.0).

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