That guide is very lacking in my opinion.
As for debootstrap script, I have used the one at https://github.com/meefik/linuxdeploy/blob/master/assets/home/deploy/debootstrap/scripts/kali
Type: Posts; User: b9AcE
That guide is very lacking in my opinion.
As for debootstrap script, I have used the one at https://github.com/meefik/linuxdeploy/blob/master/assets/home/deploy/debootstrap/scripts/kali