Cross-grading a Debian System
This page is meant to document the procedure for cross-grading a Debian install using Multiarch.
Please note this is still work in progress and re-installing is still safer.
Announce by Guillem Jover, dpkg Maintainer (see "Cross-grading" at the bottom of the message)
Howto amd64 an i386 Debian installation with multiarch by Marc Haber