This live CD is customized by roughly following the guidelines at: https://help.ubuntu.com/community/LiveCDCustomization https://help.ubuntu.com/community/LiveCDCustomizationFromScratch https://help.ubuntu.com/community/MakeALiveCD/DVD/BootableFlashFromHarddiskInstall plus a lot of other info, like ubiquity and casper source code, and additions for making the resulting iso EFI bootable. extractiso.sh extract the original iso customize.sh apply customizations enter.sh chroot into the install (for optional manual customization) buildiso.sh build the new iso run.sh -c boot the iso in qemu with a blank hdd, to test the install run.sh -d boot the installed hdd in qemu cleanup.sh remove everything but the isos SHORT VERSION: sudo apt-get install squashfs-tools xorriso syslinux time sudo sh -c "env BUILD_CONFIG=12.10 ./full-rebuild.sh" time sudo sh -c "env BUILD_CONFIG=13.04 ./full-rebuild.sh"