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?
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.
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.