I was never satisfied with the chroot solutions because of the separate <your distro (Debian, Ubuntu) here>/Android userspaces. Unionfs was supposed to provide

I was never satisfied with the chroot solutions because of the separate <your distro (Debian, Ubuntu) here>/Android userspaces. Unionfs was supposed to provide a way to merge the two environments but I was never able to get it to work. All I really wanted were to use the Debian userspace tools as if they were installed into the Android FS.