On Thu, Aug 14, 2003 at 06:16:35PM +0100, M A Young wrote:
I am trying to put together a Red Hat Linux Project project to
User Mode Linux aiming for inclusion in Cambridge++. I don't know how this
is supposed to work (I am not sure anyone does yet), but I have put
together an initial project page at
This cries out for getting a working unionfs or cachefs, so that one can
use hostfs to mount the underlying system tree, and overlay the parts
that one wants to change (parts of /etc, /var). I suppose that for now a little
copying and scripting can help. If using Device Mapper, one can create writable
snapshots, overwrite /etc with the appropriate config, and start the UML.
I was musing on uses of UML and thought that it would be cool to
live-upgrade a service by using HA failover to a service instance running
in a UML. Doing it with UML leverages all the high-availability work
that has already been done.