guestfs-release-notes-1.38(1) Virtualization Support (NAME) guestfs-release-notes - libguestfs LIBGUESTFS 1.38 (RELEASE NOTES FOR LIBGUESTFS 1.38) / (1.36.0) . git ChangeLog tarball . (New features) Virt-builder-repository virt-builder (Cedric Bosdonnat). Virt-rescue ( ) (job control) -m -i (escape keys) . (planner) virt-builder tmpdir . Fedora virt-builder ( Fedora 26) GPT . <> virt-customize systemd "default.target" "multi-user.target" . Virt-customize /etc/machine-id . Virt-df 1K (Nikolay Ivanets). Virt-dib diskimage-builder (Pino Toscano). Virt-sysprep "DHCP_HOSTNAME" ifcfg-* . Virt-sysprep Oracle Linux (Jamie Iles). Virt-resize GPT (Cedric Bosdonnat). Tab Bash : virt-win-reg virt-v2v-copy-to-local. virt-v2v virt-p2v Virt-v2v VMX VMware NFS SSH ESXi . Virt-v2v VDDK . virt-v2v virt-p2v (topology) (pass through). (Tomas Golembiovsky). Virt-v2v (Pino Toscano). Virt-v2v VMware . (collapsed) -- . Virt-v2v virtio Windows 10 Windows Server 2016 (Pavel Butsykin, Kun Wei). Virt-v2v virtio-rng balloon pvpanic (Tomas Golembiovsky). Virt-v2v (legacy) virtio (Ladi Prosek). Virt-p2v ( ) (RTC) UTC . Virt-p2v scp . Virt-v2v Linux Xen PV-only (Laszlo Ersek). Virt-v2v -o glance UEFI (Pino Toscano). Virt-v2v -o null << >> (null block device) qemu . . Virt-v2v -o rhv Windows 2016 Server . Virt-v2v -i libvirtxml http https . Virt-v2v host passthrough (Pino Toscano). --machine-readable virt-v2v (facts) "vcenter-https" "xen-ssh" "in-place" (Pino Toscano). (Language bindings) Java (Pino Toscano). %guestfs_introspection Perl . (Inspection) OCaml . . ALT Linux (Pino Toscano). NeoKylin (Qingzheng Zhang). Void Linux "VERSION_ID" /etc/os-release (Pino Toscano). Microsoft MS-DOS (Daniel Berrange). S/390. libguestfs ..PP API libguestfs (thread-safe) ( ). (lock) API (handle) . (Security) "wrestool" icoutils libguestfs Windows . "wrestool" . API API "hivex_value_string" API "hivex_value_utf8" . "part_get_gpt_attributes" "part_set_gpt_attributes" GPT ( Cedric Bosdonnat). "part_resize" ( Nikos Skalkotos). "yara_destroy" "yara_load" "yara_scan" Yara ( Matteo Cafasso). API API (daemon) C OCaml . API OCaml . appliance qemu . API "/dev/urandom" <<>> "g.copy_device_to_device("/dev/urandom", "/dev/sda")". . API CD . libosinfo . (Build changes) libguestfs OCaml >= 4.01 . "./configure --disable-ocaml" (language bindings) OCaml . "RELEASES" libguestfs . . "gtk-doc" . "./configure --enable-gtk-doc" . Libtirpc XDR rpcgen . glibc (Martin Kletzander). Libxcrypt crypt(3) . glibc >= 2.27 . "ocaml-hivex" . Libvirt >= 1.2.20 . "make check-root" (root) ( "make check-slow"). "./configure" "__attribute__((cleanup))" (cross-compilation) (Yann E. Morin). "AUTHORS" "p2v/about-authors.c" . GnuPG v1 v2 . "./configure --with-guestfs-path" "LIBGUESTFS_PATH" . appliance (Pavel Butsykin). "GUESTFSD_EXT_CMD" . SUSE . "./configure" (Pino Toscano). OCaml Makefile . "./configure --with-distro=ID" (override) (Pino Toscano). qemu >= 2.10 ( ). libguestfs (Lars Seipel Peter Krempa Daniel Berrange Pino Toscano Fam Zheng Yongkui Guo Vaclav Kadlcik)..SS " (Internals)" common/ OCaml common/ml* ( common/visit common/mlvisit visitor C OCaml ). mllib common/mltools . OCaml PCRE : common/mlpcre. "Str" OCaml PCRE . "udev_settle" (Dawid Zamirski). "udev_settle" --exit-if-exists (Pavel Butsykin). major(3) minor(3) makedev(3). API "guestfs_wait_ready" . "set_nonblocking_flag" gnulib fcntl(2) "O_NONBLOCK" (Eric Blake). "set_cloexec_flag". XFS "guestfs_vfs_minimum_size" (Pino Toscano). Valgrind virt-p2v . ("`'") '' `' . "'s" "'s". "is_zero" (Eric Blake). direct virtio-blk . virtio-scsi . (generator) ("String" "StringList") "FileIn" "String (FileIn, ...)" . appliance raw (Pavel Butsykin). Debian virt-builder (Pino Toscano). (Florian Klink). (daemon) lvm.conf ( ) LVM << >> (Alasdair Kergon Zdenek Kabelac). "direct" QMP QEMU . QEMU QEMU . OCaml Augeas common/mlaugeas . ocaml-augeas (Pino Toscano). OCaml ( "*.ml") ("*.mli") . . OCaml OCaml >= 4.01 `{ field = field }' `{ field }'. virt-builder "make-template" "virt-install --transient" (crash) . kickstart virt-install git (commit) . /dev/shm appliance (Nicolas Hicher). (verbose) Fedora virt-customize "dnf --verbose" . virt-v2v "#precheck" . virt-p2v miniexpect . stderr ( virt-p2v) . virt-v2v (Pino Toscano). (Bugs fixed) https://bugzilla.redhat.com/1540535 (URI) <> v2v https://bugzilla.redhat.com/1539395 virt-customize 1.37.35-3 (segfault) https://bugzilla.redhat.com/1536765 Perl Libguestfs https://bugzilla.redhat.com/1536763 Lua libguestfs strerror() (thread safe) https://bugzilla.redhat.com/1536603 '--' https://bugzilla.redhat.com/1525241 virt-df =512 https://bugzilla.redhat.com/1519204 v2v rhel7.4 https://bugzilla.redhat.com/1518517 virt-v2v <> https://bugzilla.redhat.com/1516094 QEMU NBD (Block protocol 'nbd' doesn't support the option 'locking') https://bugzilla.redhat.com/1514756 ./configure --disable-ocaml common/mlpcre daemon https://bugzilla.redhat.com/1513884 [RFE] vddk v2v https://bugzilla.redhat.com/1508874 virt-v2v: ova VMware (20) https://bugzilla.redhat.com/1506572 virt-v2v '-i ova' MAC OVF https://bugzilla.redhat.com/1506511 virt-builder https://bugzilla.redhat.com/1503958 rhel5 kmod-xenpv xen virt-v2v https://bugzilla.redhat.com/1503497 qemu-kvm qcow2 qemu-kvm 1.5.3 https://bugzilla.redhat.com/1500673 ssh sudo p2v https://bugzilla.redhat.com/1500537 /dev/shm appliance https://bugzilla.redhat.com/1497475 guestfish https://bugzilla.redhat.com/1493048 (Unbound constructor) Hivex.OPEN_UNSAFE https://bugzilla.redhat.com/1484957 debian https://bugzilla.redhat.com/1482737 virt-resize swap RHEL5.11 <> https://bugzilla.redhat.com/1477623 API chardev https://bugzilla.redhat.com/1476081 inspect-os : could not parse integer in version number: V7Update2 https://bugzilla.redhat.com/1472719 [RFE] pci passthrough v2v https://bugzilla.redhat.com/1472208 virt-v2v opensuse 13.2 : statns: statns_stub: path must start with a / character https://bugzilla.redhat.com/1469655 firstboot Fedora 26 https://bugzilla.redhat.com/1466563 Libguestfs copyonread XML libvirt https://bugzilla.redhat.com/1465665 1.36.x: gtkdocize autotools GTK_DOC_CHECK configure.ac https://bugzilla.redhat.com/1460338 guestfs_shutdown https://bugzilla.redhat.com/1459979 vdi/vhd libvirt guestfs_add_domain_argv readonly https://bugzilla.redhat.com/1451665 [RFE] Virt-v2v https://bugzilla.redhat.com/1450325 URI -a https://bugzilla.redhat.com/1448739 [RFE] OVA pigz pxz https://bugzilla.redhat.com/1447202 Win 2016 RHEVM Win 10 .IP https://bugzilla.redhat.com/1441197 4 (RFE): VMware vmx https://bugzilla.redhat.com/1438939 GnuPG (1.4.x) https://bugzilla.redhat.com/1438794 [ ] virtio-rng https://bugzilla.redhat.com/1433937 virt-inspector () altlinux-centaurus https://bugzilla.redhat.com/1433577 policycoreutils setfiles >= 2.6 .. https://bugzilla.redhat.com/1431579 8 UEFI VMware KVM https://bugzilla.redhat.com/1430680 ova v2v <> https://bugzilla.redhat.com/1430184 virt-dib sha512 (checksum) sha256 https://bugzilla.redhat.com/1429506 : OVMF https://bugzilla.redhat.com/1429491 rhv virt-v2v https://bugzilla.redhat.com/1427529 virt-sysprep DHCP_HOSTNAME https://bugzilla.redhat.com/1417306 QEMU (libguestfs) https://bugzilla.redhat.com/1409024 [] db_dump (inspection) https://bugzilla.redhat.com/1406906 (Segmentation fault) Python 3 https://bugzilla.redhat.com/1379289 : virt-p2v (mnemonic) https://bugzilla.redhat.com/1378022 listen type='none' XML virt-v2v https://bugzilla.redhat.com/1376547 qemu-system-s390x: -device isa-serial,chardev=charserial0,id=serial0: 'isa-serial' is not a valid device model name https://bugzilla.redhat.com/1374232 selinux RHEL 6.2 <> https://bugzilla.redhat.com/1367738 bash : virt-diff guestunmount virt-copy-in virt-copy-out virt-customize virt-get-kernel virt-p2v-make-disk virt-p2v-make-kickstart virt-tar-in virt-tar-out virt-v2v-copy-to-local virt-win-reg https://bugzilla.redhat.com/1362649 : virt-sysprep libguestfs https://bugzilla.redhat.com/1172425 [ ] virt-v2v VMware ESX https://bugzilla.redhat.com/1171654 virt-rescue vi yakuake virt-rescue https://bugzilla.redhat.com/1167623 <> virt-p2v https://bugzilla.redhat.com/1152819 virt-rescue ^C virt-rescue (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) ( ) . . . : 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-1.38(1)