We tested the method on three Ubuntu versions (20.04, 22.04, 23.04) with three customization levels:
An is a disk image file used to install or "test drive" the Ubuntu operating system. It acts as a digital blueprint containing the Linux kernel, the GNOME desktop environment, and essential pre-configured software. Technical Overview ubuntu desktop iso
set -e WORK_DIR=$(mktemp -d)
printf $(sudo du -sx --block-size=1 ~/iso_workspace/squashfs-root | cut -f1) \ | sudo tee ~/iso_workspace/extract-cd/casper/filesystem.size We tested the method on three Ubuntu versions (20