virt-cat(1) Virtualization Support virt-cat(1) (NAME) virt-cat - (SYNOPSIS) virt-cat [--options] -d domname file [file ...] virt-cat [--options] -a disk.img [-a disk.img ...] file [file ...] : virt-cat domname file virt-cat disk.img file (DESCRIPTION) "virt-cat" "file" "file" ( ) . . ( '/' ). "virt-cat" . "virt-edit" . guestfish(1) ( " GUESTFISH" ). (EXAMPLES) /etc/fstab libvirt "mydomain": virt-cat -d mydomain /etc/fstab : virt-cat -d mydomain /var/log/yum.log | tail : virt-cat -d mydomain /var/run/utmp > /tmp/utmp who /tmp/utmp : virt-cat -d mydomain /var/log/wtmp > /tmp/wtmp last -f /tmp/wtmp (OPTIONS) --help . -a file --add file file . -a . . --format=.. . -a URI --add URI . "ADDING REMOTE STORAGE" guestfish(1) . --blocksize=512 --blocksize=4096 --blocksize . . --blocksize . "guestfs_add_drive_opts" guestfs(3) . -c URI --connect URI libvirt URI . libvirt . (-a) libvirt . -d guest --domain guest libvirt . UUID . --echo-keys virt-cat (echo) . Tempest . --format=raw|qcow2|.. --format -a . -a . --format -a . : virt-cat --format=raw -a disk.img file raw ( ) disk.img . virt-cat --format=raw -a disk.img --format -a another.img file raw ( ) disk.img another.img . raw . (CVE-2010-3851). --key SELECTOR LUKS LUKS (inspection). --key NAME:key:KEY_STRING --key UUID:key:KEY_STRING --key all:key:KEY_STRING "NAME" libguestfs ( "/dev/sda1"). "UUID" . "all" . "KEY_STRING" . --key NAME:file:FILENAME --key UUID:file:FILENAME --key all:file:FILENAME FILENAME. --key NAME:clevis --key UUID:clevis --key all:clevis Clevis . (NBDE) "ENCRYPTED DISKS" guestfs(3) . QEMU libguestfs . --keys-from-stdin (stdin). /dev/tty . stdin . -m dev[:mountpoint[:options[:fstype]]] --mount dev[:mountpoint[:options[:fstype]]] . / . . guestfish LV ( "list-partitions" "list-filesystems" "lvs" ) virt-filesystems(1) . ( ) mount . "ro" ( --ro ). . ACL / (extended attributes) : -m /dev/sda1:/:acl,user_xattr "mount-options" . "ext3" "ntfs". ( "ext2" "ext3") libguestfs . -v --verbose . -V --version . -x (tracing) API libguestfs. (OLD-STYLE COMMAND LINE ARGUMENTS) virt-cat : virt-cat disk.img [disk.img ...] file virt-cat guestname file -a -d . . (LOG FILES) virt-log(1) . systemd . (tail) virt-tail(1) . (WINDOWS PATHS) "virt-cat" ( E:\foo\bar.txt). : o "C:" . o ("\") libguestfs . o . : o (symbolic links) NTFS . o (junction points) NTFS . GUESTFISH (USING GUESTFISH) guestfish(1) "virt-cat" . "virt-cat" : guestfish --ro -i -d domname download file - "domname" libvirt "file" . "-" ( " stdout"). libguestfs libguestfs . : guestfish --ro -a disk.img -m /dev/sda1 download file - disk.img /dev/sda1 "file" . (EXIT STATUS) 0 . (SEE ALSO) guestfs(3), guestfish(1), virt-copy-out(1), virt-edit(1), virt-log(1), virt-tail(1), virt-tar-out(1), http://libguestfs.org (AUTHOR) Richard W.M. Jones http://people.redhat.com/~rjones (COPYRIGHT) Copyright (C) 2010-2025 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) . guestfs-tools-1.56.0 2026-07-11 virt-cat(1)