On Tue, May 31, 2011 at 10:28:04PM +0200, Joel Uckelman wrote: Yes, that's what we do in libguestfs. In fact both things: we create a bi-directional pipe, and we optionally enable full IP networking. I suggest TBH you just look at the code, as that's simpler than me explaining it: http://git.annexia.org/?p=libguestfs.git;a=blob;f=src/launch.c;h=0b15ce98... The key words are "virtio serial" and "user networking". Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v