On Thu, Nov 11, 2010 at 04:55:30PM +0000, mk wrote: Little bit surprising ... What does this command say: guestfish -a /dev/null run : available "lvm2" && echo this is available On my CentOS 5.5 x86-64 host it says that lvm2 is available, which it should be under every circumstance on a Linux host. It's not possible to build libguestfs on RHEL 5 with support for everything. Some external programs simply don't exist. Might be better to start with the question: what features do you need that are missing? [Please send replies to the list] Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://et.redhat.com/~rjones/libguestfs/ See what it can do: http://et.redhat.com/~rjones/libguestfs/recipes.html