Sailing the 7 seas like Penguin's Eggs Remastersys, Refracta, Systemback and father Knoppix!
cloning guide
use gparted to get your drive chromeos/chromiumos is installed on e.g /dev/sda
to clone from a linux system use command sudo ./chromeoscloner.bin
enter the drive chromeos/chromiumos is installed on
enter a location to clone to make sure it has enough space e.g around 25gb-30gb
the finished cloned system squashfs will be about 7gb
let the script do the rest it will create a folder chromeos-backup.squashfs with 12 .imgs it should take around 5-20 minutes
installation guide
make sure chromeos-installerscript.py is in the same location of the chromeos-backup.squashfs
please download https://github.com/sebanc/brunch/releases/
extract all downloaded files to directory the chromeos-installerscript.py is in