search for: the_tarball

...ce? First of all, read: http://libguestfs.org/FAQ.html#slow Using tar-in/tgz-in to copy the tarball into the appliance is always going to be slow. I would think you should get better performance if you write the tarball into an ISO first, and attach that. Something like: mkisofs -JR -o cd.iso the_tarball.tar.gz guestfish -a guest.img -a cd.iso [...] ><fs> mkmountpoint /guest ><fs> mkmountpoint /cd [...] ><fs> mount /dev/sdb /cd [...] ><fs> debug sh "tar xcf /cd/the_tarball.tar.gz /guest" However we found experimentally that the fastest method of all f...