управляйте системным менеджером машины (Control the systemd machine manager)
MACHINE AND IMAGE NAMES
The machinectl tool operates on machines and images whose names
must be chosen following strict rules. Machine names must be
suitable for use as hostnames following a conservative subset of
DNS and UNIX/Linux semantics. Specifically, they must consist of
one or more non-empty label strings, separated by dots. No
leading or trailing dots are allowed. No sequences of multiple
dots are allowed. The label strings may only consist of
alphanumeric characters as well as the dash and underscore. The
maximum length of a machine name is 64 characters.
A special machine with the name ".host" refers to the running
host system itself. This is useful for execution operations or
inspecting the host system as well. Note that machinectl list
will not show this special machine unless the --all switch is
specified.
Requirements on image names are less strict, however, they must
be valid UTF-8, must be suitable as file names (hence not be the
single or double dot, and not include a slash), and may not
contain control characters. Since many operations search for an
image by the name of a requested machine, it is recommended to
name images in the same strict fashion as machines.
A special image with the name ".host" refers to the image of the
running host system. It hence conceptually maps to the special
".host" machine name described above. Note that machinectl
list-images will not show this special image either, unless --all
is specified.
