I've been messing around with Ubuntu Customization Kit recently and I would like to create my own bash scripts to customize Ubuntu ISOs. How would I use SquashFS to edit mount and edit the iso?

3 Answers 3


A three-part Paranoid Penguin series in Linux Journal entitled Customizing Linux Live CDs will probably be helpful.

It explains how to tinker with a live CD's SquashFS for the purpose of improving security. But I'm sure the instructions can be used to make other modifications as well.


I'm not sure about SquashFS, but you could use ISO Master (available from the ubuntu software centre) to edit ISO images.


You cannot use squashfs to edit a filesystem. Squashfs is a filesystem and also the program that creates and extracts a filesystem. If you want to customize your live CD, check out:

You can mount a squashfs filesystem, but you cannot edit it. Squashfs is a readonly filesystem, so to edit it you will need to extract it first.

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