How do I recreate a bootable ISO after making changes to its extracted files?

This page did not load. You can still read it on the original site — the toolbar below keeps your place in the directory.

I've downloaded the stock Ubuntu 24.04.3 LTS ISO image. I'd like to use this to create a USB installation drive, but first I want to make a small edit to GRUB configuration. GRUB is not the point of this question, so please don't get hung up on that. To extract the stock ISO I followed this suggestion to use 7z . This appeared to work: 7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov :…

Read on askubuntu.com ↗