guestfs-testing(1) Virtualization Support guestfs-testing(1) (NAME) guestfs-testing - libguestfs ! (DESCRIPTION) libguestfs . . ! (*) . . libguestfs >= 1.22 . : https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools ( ): https://lists.libguestfs.org (TESTS) libguestfs-test-tool : libguestfs-test-tool libguestfs . (root) . "===== TEST FINISHED OK =====" . "libguestfs-test-tool" . " (BUGS)" . KVM (hot cache) libguestfs . : time guestfish -a /dev/null run ( ). libguestfs-test-tool(1) . libguestfs qemu libvirt "libguestfs-test-tool" : o libguestfs : library version: 1.22.0fedora=19,release=1.fc19,libvirt o libvirt : guestfs_get_backend: direct : guestfs_get_backend: libvirt o qemu : libguestfs: qemu version 1.5 o () supermin(1) . : [ 0.000000] Linux version 3.9.2-200.fc18.x86_64 [...] guestfish . "--ro" guestfish(1) . guestfish --ro -a /path/to/disk.img -i ">" guestfish . guestfish "ll /" . "exit" . ( "-v" ). libguestfs-test-tool(1) . guestfish libvirt : export LIBGUESTFS_BACKEND=direct HTTP/FTP : guestfish --ro -i --format=raw -a http://www.example.com/disk.img SSH ssh-agent . : guestfish --ro -i --format=raw \ -a ssh://remote.example.com/path/to/disk.img ( "-v" ). libguestfs-test-tool(1) . virt-alignment-scan virt-alignment-scan(1) : virt-alignment-scan -a /path/to/disk.img : virt-alignment-scan -d Guest virt-cat virt-cat(1) . : virt-cat LinuxGuest /etc/passwd : virt-cat WindowsGuest 'c:\windows\win.ini' . "D:" "E:" * virt-copy-in(1) . virt-copy-in -d Guest /etc /tmp /etc /tmp/etc ( ) . : virt-copy-in -d Guest /home /etc/issue /tmp virt-copy-out(1) . virt-copy-out -d Guest /home . . /home . virt-df virt-df(1) . : virt-df df(1) : o (idle) . o sync(1) . o . . . . CSV virt-df : virt-df --csv > /tmp/report.csv . / http://www.postgresql.org/docs/8.1/static/sql-copy.html http://dev.mysql.com/doc/refman/5.1/en/load-data.html * virt-edit(1) . RHEL Fedora : virt-edit LinuxGuest /etc/sysconfig/network : virt-edit LinuxGuest /etc/motd / / LV virt-filesystems(1) . : virt-filesystems -a /path/to/disk.img --all --long -h : virt-filesystems -d Guest --all --long -h virt-inspector virt-inspector(1) : virt-inspector -a /path/to/disk.img | less : virt-inspector -d Guest | less ( ) virt-inspector . virt-ls setuid setgid : virt-ls -lR -d Guest / | grep '^- [42]' : virt-ls -lR -d Guest / | grep '^d ...7' : virt-ls -lR -d Guest / | grep '^s' `.png' : virt-ls -lR -d Guest / | grep -i '^-.*\.png$' 10MB (home): virt-ls -lR -d Guest /home | awk '$3 > 10*1024*1024' : virt-ls -lR -d Guest --time-days / | awk '$6 <= 7' : virt-ls -lR -d Guest --time-days / | grep '^-' | awk '$6 < 1' tarball virt-make-fs(1) tarball : virt-make-fs --partition=mbr --type=vfat /any/tarball.tar.gz output.img `output.img' (raw) . . . --partition=gpt. --type=ntfs --type=ext2. * virt-rescue virt-rescue(1) : virt-rescue -a /path/to/disk.img : virt-rescue -d Guest * virt-resize(1) . 30G 30G : truncate -s 30G newdisk.img virt-filesystems -a /path/to/olddisk.img --all --long -h virt-resize /path/to/olddisk.img newdisk.img --expand /dev/sda1 qemu-kvm -m 1024 -hda newdisk.img . * (Sparsify) virt-sparsify(1) () : virt-sparsify /path/to/olddisk.img newdisk.img newdisk.img ( "du" ) virt-builder(1) : virt-builder -l : virt-builder -o disk.img [os-version from list above] : qemu-kvm -cpu host -m 2048 -drive file=disk.img,format=raw * (<>) . virt-sysprep --hostname newhost.example.com -a /path/to/disk.img sysprep virt-win-reg(1) . virt-win-reg --unsafe-printable-strings WindowsGuest 'HKLM\Software' | less virt-win-reg --unsafe-printable-strings WindowsGuest 'HKLM\System' | less "regedit" username : virt-win-reg --unsafe-printable-strings WindowsGuest 'HKEY_USERS\username' | less (SEE ALSO) guestfs(3), guestfish(1), guestfs-examples(3), http://libguestfs.org (AUTHORS) Richard W.M. Jones ("rjones at redhat dot com") (COPYRIGHT) Copyright (C) 2011-2025 Red Hat Inc. (LICENSE) << >> (GNU Lesser 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-testing(1)