- Debian/Devuan/Gnuinos users with offline DVD's ISOs mirrored under an USB drive: easy mode. Most of the docs are already there, just mount the ISO's as a loo

- Debian/Devuan/Gnuinos users with offline DVD's ISOs mirrored under an USB drive: easy mode. Most of the docs are already there, just mount the ISO's as a loopback device and run apt-cdrom add against the mount points. - Windows user: hell. Ubuntu/Arch/any distro without full ofline mirrors: hell too.