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I have a very old bootable Edubuntu image that is used at my work place. The ISO is specifically locked down to allow only two things to happen: Run Firefox (to a specific location only), and Open Office. I have made an ISO from this bootable disk, and now I need to edit it, to remove Firefox from the image, and then remake the disk. I have tried to use ISO Master, but I can't figure out how to remove this from the files that are displayed when opening the ISO in the program. I think I need to edit the squashfs, but I am very unsure of this. My Ubuntu knowledge is very limited (as you can probably tell by my description of the issue).

closed as too broad by Panther, Android Dev, Eric Carvalho, Zanna, Kaz Wolfe Mar 30 '17 at 17:52

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