machinectl.xml revision 19887cd06a3af2f045e763986eda19e208bd3f85
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<refentry id="machinectl" conditional='ENABLE_MACHINED'>
<refentryinfo>
<title>machinectl</title>
<productname>systemd</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Lennart</firstname>
<surname>Poettering</surname>
<email>lennart@poettering.net</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>machinectl</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>machinectl</refname>
<refpurpose>Control the systemd machine manager</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>machinectl</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
<arg choice="req">COMMAND</arg>
<arg choice="opt" rep="repeat">NAME</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>machinectl</command> may be used to
introspect and control the state of the
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
virtual machine and container registration manager <citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term><option>-h</option></term>
<term><option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--version</option></term>
<listitem><para>Prints a short version
string and exits.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-p</option></term>
<term><option>--property=</option></term>
<listitem><para>When showing
session/user properties, limit
display to certain properties as
specified as argument. If not
specified, all set properties are
shown. The argument should be a
property name, such as
<literal>Name</literal>. If
specified more than once, all
properties with the specified names
are shown.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-a</option></term>
<term><option>--all</option></term>
<listitem><para>When showing
unit/job/manager properties, show all
properties regardless whether they are
set or not.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-l</option></term>
<term><option>--full</option></term>
<listitem><para>Do not ellipsize cgroup
members.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--no-pager</option></term>
<listitem><para>Do not pipe output into a
pager.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--no-ask-password</option></term>
<listitem><para>Do not query the user
for authentication for privileged
operations.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--kill-who=</option></term>
<listitem><para>When used with
<command>kill-session</command>,
choose which processes to kill. Must
be one of <option>leader</option>, or
<option>all</option> to select whether
to kill only the leader process of the
session or all processes of the
session. If omitted, defaults to
<option>all</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-s</option></term>
<term><option>--signal=</option></term>
<listitem><para>When used with
<command>kill-session</command> or
<command>kill-user</command>, choose
which signal to send to selected
processes. Must be one of the well
known signal specifiers, such as
<constant>SIGTERM</constant>,
<constant>SIGINT</constant> or
<constant>SIGSTOP</constant>. If
omitted, defaults to
<constant>SIGTERM</constant>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-H</option></term>
<term><option>--host</option></term>
<listitem><para>Execute operation
remotely. Specify a hostname, or
username and hostname separated by <literal>@</literal>,
to connect to. This will use SSH to
talk to the remote machine manager
instance.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-P</option></term>
<term><option>--privileged</option></term>
<listitem><para>Acquire privileges via
PolicyKit before executing the
operation.</para></listitem>
</varlistentry>
</variablelist>
<para>The following commands are understood:</para>
<variablelist>
<varlistentry>
<term><command>list</command></term>
<listitem><para>List currently running
virtual machines and containers.
</para></listitem>
</varlistentry>
<varlistentry>
<term><command>status [ID...]</command></term>
<listitem><para>Show terse runtime
status information about one or more
virtual machines and containers. This
function is intended to generate
human-readable output. If you are
looking for computer-parsable output,
use <command>show</command> instead.
</para></listitem>
</varlistentry>
<varlistentry>
<term><command>show [ID...]</command></term>
<listitem><para>Show properties of one
or more registered virtual machines or
containers or the manager itself. If
no argument is specified, properties
of the manager will be shown. If a an
ID is specified, properties of this
virtual machine or container are
shown. By default, empty properties
are suppressed. Use
<option>--all</option> to show those
too. To select specific properties to
show, use
<option>--property=</option>. This
command is intended to be used
whenever computer-parsable output is
required. Use
<command>status</command> if you are
looking for formatted human-readable
output.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>terminate [ID...]</command></term>
<listitem><para>Terminates a virtual
machine or container. This kills all
processes of the virtual machine or
container and deallocates all
resources attached to that
instance.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>kill [ID...]</command></term>
<listitem><para>Send a signal to one
or more processes of the virtual
machine or container. This means
processes as seen by the host, not the
processes inside the virtual machine
or container.
Use <option>--kill-who=</option> to
select which process to kill. Use
<option>--signal=</option> to select
the signal to send.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success, 0 is returned, a non-zero failure
code otherwise.</para>
</refsect1>
<refsect1>
<title>Environment</title>
<variablelist class='environment-variables'>
<varlistentry>
<term><varname>$SYSTEMD_PAGER</varname></term>
<listitem><para>Pager to use when
<option>--no-pager</option> is not given;
overrides <varname>$PAGER</varname>. Setting
this to an empty string or the value
<literal>cat</literal> is equivalent to passing
<option>--no-pager</option>.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>