This mini-HowTo assumes that you’re running Debian Unstable (Sid), but it should also work if you’re using Testing or even Ubuntu. It also assumes you’re doing all these steps as root.
David Schneider's excellent script to install complete GNU/Linux environment(s) as chroot(s) inside Chrome OS (or Chromium OS) with "developer mode" enabled. Supported distros include: Debian, Kali & Ubuntu