On Thu, 23 Jul 2009 08:54:19 +0200 (CEST), Helmut Jarausch wrote:

> Is it possible to clone this running Gentoo system, essentially
> overwrite
> /var/lib/portage/world
> with the larger version of the old hardware except some 64bit related
> packages and then run
> emerge --keep-going -j4 -1 --ask --update --newuse --deep @system @world
> on the new machine.
> 
> Or are the any snags?

Only one, portage will barf when you have a world file containing
uninstalled packages. Copy the world file from the other machine
somewhere other than /var/lib/portage and run

emerge -n $(cat /path/to/otherworld)


-- 
Neil Bothwick

Those are my principles. If you don't like them I have others.