Hi, I have a problem when i run java examples of libguestfs. It needs root privileges. This is the output of libguestfs-test-tool: <libguestfs(a)redhat.com&gt;===== Test starts here ===== LIBGUESTFS_DEBUG=1 TMPDIR=(not set) libguestfs: new guestfs handle 0x9871c80 library version: 1.14.10 guestfs_get_append: (null) guestfs_get_attach_method: appliance guestfs_get_autosync: 1 guestfs_get_direct: 0 guestfs_get_memsize: 500 guestfs_get_network: 0 guestfs_get_path: /usr/local/lib/guestfs guestfs_get_pgroup: 0 guestfs_get_qemu: /usr/bin/kvm guestfs_get_recovery_proc: 1 guestfs_get_selinux: 0 guestfs_get_smp: 1 guestfs_get_trace: 0 guestfs_get_verbose: 1 host_cpu: i686 Launching appliance, timeout set to 600 seconds. libguestfs: [00000ms] febootstrap-supermin-helper --verbose -f checksum '/usr/local/lib/guestfs/supermin.d' i686 supermin helper [00000ms] whitelist = (not specified), host_cpu = i686, kernel = (null), initrd = (null), appliance = (null) supermin helper [00000ms] inputs[0] = /usr/local/lib/guestfs/supermin.d checking modpath /lib/modules/3.2.0-23-generic-pae is a directory picked vmlinuz-3.2.0-23-generic-pae because modpath /lib/modules/3.2.0-23-generic-pae exists checking modpath /lib/modules/3.2.0-24-generic-pae is a directory picked vmlinuz-3.2.0-24-generic-pae because modpath /lib/modules/3.2.0-24-generic-pae exists checking modpath /lib/modules/3.2.0-26-generic-pae is a directory picked vmlinuz-3.2.0-26-generic-pae because modpath /lib/modules/3.2.0-26-generic-pae exists supermin helper [00000ms] finished creating kernel supermin helper [00000ms] visiting /usr/local/lib/guestfs/supermin.d supermin helper [00000ms] visiting /usr/local/lib/guestfs/supermin.d/base.img supermin helper [00000ms] visiting /usr/local/lib/guestfs/supermin.d/daemon.img supermin helper [00000ms] visiting /usr/local/lib/guestfs/supermin.d/hostfiles supermin helper [00022ms] visiting /usr/local/lib/guestfs/supermin.d/init.img supermin helper [00022ms] adding kernel modules supermin helper [00198ms] finished creating appliance libguestfs: [00200ms] begin testing qemu features libguestfs: [00229ms] finished testing qemu features libguestfs: accept_from_daemon: 0x9871c80 g->state = 1 [00234ms] /usr/bin/kvm \ -global virtio-blk-pci.scsi=off \ -drive file=/tmp/libguestfs-test-tool-sda-AGg9Vg,cache=off,format=raw,if=virtio \ -nodefconfig \ -machine accel=kvm:tcg \ -nodefaults \ -nographic \ -m 500 \ -no-reboot \ -no-hpet \ -device virtio-serial \ -serial stdio \ -chardev socket,path=/tmp/libguestfsZJquQh/guestfsd.sock,id=channel0 \ -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -kernel /var/tmp/.guestfs-1000/kernel.9392 \ -initrd /var/tmp/.guestfs-1000/initrd.9392 \ -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1 TERM=xterm ' \ -drive file=/var/tmp/.guestfs-1000/root.9392,snapshot=on,if=virtio,cache=unsafeCould not access KVM kernel module: No such file or directory failed to initialize KVM: No such file or directory Back to tcg accelerator. qemu: could not load kernel '/var/tmp/.guestfs-1000/kernel.9392': Permission denied libguestfs: error: unexpected end of file when reading from daemon. See earlier debug messages. Or you can run 'libguestfs-test-tool' and post the complete output into a bug report or message to the libguestfs mailing list. libguestfs: child_cleanup: 0x9871c80: child process died libguestfs-test-tool: failed to launch appliance libguestfs: closing guestfs handle 0x9871c80 (state 0) I hope that help me. Thanks in advance. Giuseppe