> you can install a debian install onto a different partition (quite > easily). setup another partition to be the root of your debian install. > mount it onto your ubuntu system somewhere, then follow the faq alioth: > https://alioth.debian.org/docman/view.php/30192/21/debian-amd64-howto.html#id274055. Excellent, that's exactly what I need. Thanks for this information , I'll try this today.