guestfs-release-notes-1.22(1) Virtualization Support (NAME) guestfs-release-notes - libguestfs LIBGUESTFS 1.22 (RELEASE NOTES FOR LIBGUESTFS 1.22) / (1.20.0) . git ChangeLog tarball . (New features) (API) : o Network Block Device (nbd) o Secure Shell (ssh) o HTTP HTTPS o FTP FTPS o iSCSI o Gluster o Ceph/rbd (Mike Kelly) o Sheepdog o TFTP API SYSLINUX EXTLINUX . (Inspection) btrfs (subvolumes) (Matthew Booth). << >> (Attach methods) <> . . QEMU ':' . (Tools) virt-alignment-scan virt-df . guestmount errno . guestfish URI : guestfish -a ssh://example.com/path/to/disk.img guestfish guestmount (mount) (Dave Vasilevsky). guestfish << >> (guest filesystem shell) . guestfish 1 "true" "t" "yes" "y" "on" 0 "false" "f" "no" "n" "off" ( ) . "guestunmount" (unmount) FUSE. "guestmount --no-fork" guestmount . virt-resize (sparse copies) . Tab Bash "--long" Tab . bash . (Language bindings) Java API . Python "object" . Python (tuples) dict . "guestfs.GuestFS (python_return_dict=True)" . PHP . Perl "Sys::Guestfs::Lib" . https://www.redhat.com/archives/libguestfs/2013-April/msg00001.html (Examples) (log) . (Other) appliance : ./configure --with-extra-packages="list of package names" : ./configure --with-supermin-extra-options="..." supermin. (Security) . API (New APIs) cp-r extlinux feature-available get-program is-whole-device part-get-gpt-type part-set-gpt-type rename set-program syslinux C: guestfs_event_to_string (Internals) febootstrap <> . Libguestfs <> . http://people.redhat.com/~rjones/supermin libguestfs libxml2 . hivexregedit ( hivex) git . "-DGUESTFS_PRIVATE=1" . C Python Ruby. libvirt qemu/KVM ( libvirt Xen ) . "make print-subdirs" . (sourcedir != builddir) . Haskell. API "ln" "ln-f" "errno" . () . . "__attribute__((cleanup))" GCC ( ) . . src/guestfs-internal*.h . "libutils" . . "PATH_MAX" "NAME_MAX" . API JVM >= 1.6 . "serial-tests" automake >= 1.12. POSIX ( src/conn-socket.c ). "qemu-img info --output json" . "make INSTALLDIRS=vendor install" Ruby vendordir . (non-upstream) Fedora Debian . Valgrind tmp/valgrind-DATE-PID.log . "make clean" "tmp/" . C API C ..SS " (Bugs fixed)" https://bugzilla.redhat.com/961812 Segfault inspect-fs.c mountable https://bugzilla.redhat.com/957772 tar-out base64-out https://bugzilla.redhat.com/957380 libguestfs: error: btrfsvol:/dev/sda2/root: root device not found: only call this function with a root device previously returned by guestfs_inspect_os https://bugzilla.redhat.com/948324 (inspection) libosinfo https://bugzilla.redhat.com/928995 file "empty" "empty " https://bugzilla.redhat.com/921292 qemu: could not open disk image /tmp/.../snapshot1: Permission denied https://bugzilla.redhat.com/921040 "error: external command failed, see earlier error messages" https://bugzilla.redhat.com/920225 libguestfs --output json ( ) qemu-img https://bugzilla.redhat.com/916780 : guestmount --with-cleanup-pipefd https://bugzilla.redhat.com/914934 guestfsd oom-killer tar-in https://bugzilla.redhat.com/914931 FileIn appliance segfault https://bugzilla.redhat.com/913145 virNetClientProgramCall libvirt 1.0.2 https://bugzilla.redhat.com/912499 (security context) https://bugzilla.redhat.com/909836 libguestfs-test-tool --qemu segfault https://bugzilla.redhat.com/909624 recv_from_daemon (stack overflow) API https://bugzilla.redhat.com/908322 virt-tar : "error in chunked encoding at /home/rjones/d/libguestfs/tools/virt-tar line 272." https://bugzilla.redhat.com/908321 virt-cat : "/dev/stdout: error in chunked encoding" https://bugzilla.redhat.com/907554 btrfs ntfs-3g https://bugzilla.redhat.com/905341 "No such file or directory" "hivex-commit" https://bugzilla.redhat.com/903620 btrfs_subvolume_list https://bugzilla.redhat.com/895910 guestmount: rename() https://bugzilla.redhat.com/895905 guestmount: link() ENOENT EXDEV https://bugzilla.redhat.com/895904 checksums-out https://bugzilla.redhat.com/894545 (FTBFS) libguestfs Fedora 19 ruby https://bugzilla.redhat.com/890027 virt-sysprep: hostname domain name pretty name Fedora 18 https://bugzilla.redhat.com/887971 pvcreate swap https://bugzilla.redhat.com/887520 zero_free_space: open: /sysroot//ujqqq135.rd3: Cannot allocate memory https://bugzilla.redhat.com/886915 libguestfs attach-method libvirt Xen https://bugzilla.redhat.com/847549 virtio-scsi : qemu-kvm: hw/scsi-bus.c:1568: scsi_req_complete: Assertion `req->status == -1' failed. https://bugzilla.redhat.com/811649 libguestfs ':' () https://bugzilla.redhat.com/664558 (RFE): callback Ruby.SH " (SEE ALSO)" guestfs-examples(1), guestfs-faq(1), guestfs-performance(1), guestfs-recipes(1), guestfs-testing(1), guestfs(3), guestfish(1), http://libguestfs.org (AUTHORS) Richard W.M. Jones (COPYRIGHT) Copyright (C) 2009-2025 Red Hat Inc. (LICENSE) (GNU General Public License) / ( ) . . . : Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. (BUGS) libguestfs : https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools libguestfs : https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools : o libguestfs. o libguestfs ( ). o . o libguestfs-test-tool(1) . libguestfs-1.60.1 2026-07-14 guestfs-release-notes-1.22(1)