[Please send all questions and replies to the mailing list] On Mon, Jun 10, 2013 at 09:34:09PM -0400, Preetam Jinka wrote: It's not possible to set this in /etc/libguestfs-tools.conf. You have to set LIBGUESTFS_APPEND="noapic" as an environment variable, eg. by doing: export LIBGUESTFS_APPEND="noapic" or putting this same command into /etc/profile.d/local.sh. See: http://stackoverflow.com/questions/1641477/how-to-set-environment-variabl... Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/