Ubuntu – Why ISO master (editor) does not read Windows images

isowindows 7

I have the followjng problem with ISO master software: I try to edit WIndows 7 ISO image

$ isomaster windows7.iso

The file does open, unfortunately all I get is README with message:

This disc contains a "UDF" file system and requires an operating
system that supports the ISO-13346 "UDF" file system specification.

isomaster comes form Ubuntu repository, I am using 12.04. The system has kernel support for UDF installed, I can mount above ISO (mount -o loop) and see its content read only. Any idea how to fix it? Using other than isomaster tool is also an option.
Regards, Jacek

Best Answer

I used to use isomaster, but ran into this issue. Now I just add stuff to my iso's manually.

mkdir new_iso
mount -o loop iso_file.iso /mnt/
sudo cp -Rva /mnt/* new_iso
#Make your changes in the new_iso directory
sudo umount /mnt
cd new_iso
sudo mkisofs -D -r -V "ISO NAME" -cache-inodes -J -l -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -o /home/USER/new.iso new_iso/

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Ubuntu – How to extract iso images to the hard disk

If you are comfortable with the command line you can make use of the loop-back device.

All you'll need is an empty folder, so either use an existing one or create an new one:

mkdir test_folder

then run:

sudo mount -o loop,ro -t iso9660 filename.iso test_folder

If you are not sure about the filesystem type of the .iso, your system might be able to auto-detect it. This works on Ubuntu 18.04 with the Ubuntu installation ISOs for example:

sudo mount filename.iso test_folder

Now you can just cd test_folder or just ls test_folder to see the contents. No need to extract anything.

To "remove" the .iso, just type:

umount /path/to/test_folder

Best Answer

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Ubuntu – How to extract iso images to the hard disk

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