How to make a custom ISO image
There are scripts to re-build completely custom images, like
and the original
If you want to make a customized installer, you need to create
.default_boot_services which will cause
mkinitfs to create the defaults for the live image.
It's possible to commit and load ISO image customizations to and from a writable storage.
Booting an ISO image with local customizations
- From a dedicated boot media, obviously.