Путеводитель по Руководству Linux

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   machinectl    ( 1 )

управляйте системным менеджером машины (Control the systemd machine manager)

Файлы (Files)

Machine images are preferably stored in /var/lib/machines/, but
       are also searched for in /usr/local/lib/machines/ and
       /usr/lib/machines/. For compatibility reasons, the directory
       /var/lib/container/ is searched, too. Note that images stored
       below /usr/ are always considered read-only. It is possible to
       symlink machines images from other directories into
       /var/lib/machines/ to make them available for control with
       machinectl.

Note that some image operations are only supported, efficient or atomic on btrfs file systems.

Disk images are understood by systemd-nspawn(1) and machinectl in three formats:

• A simple directory tree, containing the files and directories of the container to boot.

• Subvolumes (on btrfs file systems), which are similar to the simple directories, described above. However, they have additional benefits, such as efficient cloning and quota reporting.

• "Raw" disk images, i.e. binary images of disks with a GPT or MBR partition table. Images of this type are regular files with the suffix ".raw".

See systemd-nspawn(1) for more information on image formats, in particular its --directory= and --image= options.