<?xml version='1.0'?> <!--*-nxml-*--> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> <!-- This file is part of systemd. Copyright 2013 Zbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. --> <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 machine properties, limit the output to certain properties as specified by the 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 machine properties, show all properties regardless of 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-machine</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 machine or all processes of the machine. 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-machine</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 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>, <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>. </para> </refsect1> </refentry>