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367 lines
18 KiB
XML
367 lines
18 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2013 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="machinectl" conditional='ENABLE_MACHINED'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>machinectl</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>machinectl</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>machinectl</refname>
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<refpurpose>Control the systemd machine manager</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>machinectl</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="req">COMMAND</arg>
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<arg choice="opt" rep="repeat">NAME</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>machinectl</command> may be used to
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introspect and control the state of the
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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virtual machine and container registration manager <citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>-p</option></term>
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<term><option>--property=</option></term>
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<listitem><para>When showing
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machine properties, limit the
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output to certain properties as
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specified by the argument. If not
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specified, all set properties are
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shown. The argument should be a
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property name, such as
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<literal>Name</literal>. If
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specified more than once, all
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properties with the specified names
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are shown.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-a</option></term>
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<term><option>--all</option></term>
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<listitem><para>When showing
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machine properties, show all
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properties regardless of whether they are
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set or not.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-l</option></term>
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<term><option>--full</option></term>
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<listitem><para>Do not ellipsize
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process tree entries.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--kill-who=</option></term>
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<listitem><para>When used with
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<command>kill</command>,
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choose which processes to kill. Must
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be one of <option>leader</option>, or
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<option>all</option> to select whether
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to kill only the leader process of the
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machine or all processes of the
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machine. If omitted, defaults to
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<option>all</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-s</option></term>
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<term><option>--signal=</option></term>
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<listitem><para>When used with
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<command>kill</command>, choose
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which signal to send to selected
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processes. Must be one of the
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well-known signal specifiers, such as
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<constant>SIGTERM</constant>,
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<constant>SIGINT</constant> or
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<constant>SIGSTOP</constant>. If
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omitted, defaults to
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<constant>SIGTERM</constant>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-legend</option></term>
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<listitem><para>Do not print the legend,
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i.e. the column headers and the
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footer.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--mkdir</option></term>
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<listitem><para>When used with
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<command>bind</command> creates the
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destination directory before applying
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the bind mount.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--read-only</option></term>
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<listitem><para>When used with
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<command>bind</command> applies a
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read-only bind
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mount.</para></listitem>
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</varlistentry>
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<xi:include href="user-system-options.xml" xpointer="host" />
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<xi:include href="user-system-options.xml" xpointer="machine" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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</variablelist>
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<para>The following commands are understood:</para>
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<variablelist>
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<varlistentry>
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<term><command>list</command></term>
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<listitem><para>List currently running
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virtual machines and containers.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>status</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Show terse runtime
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status information about one or more
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virtual machines and containers. This
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function is intended to generate
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human-readable output. If you are
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looking for computer-parsable output,
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use <command>show</command> instead.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>show</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Show properties of one
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or more registered virtual machines or
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containers or the manager itself. If
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no argument is specified, properties
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of the manager will be shown. If an
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NAME is specified, properties of this
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virtual machine or container are
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shown. By default, empty properties
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are suppressed. Use
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<option>--all</option> to show those
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too. To select specific properties to
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show, use
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<option>--property=</option>. This
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command is intended to be used
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whenever computer-parsable output is
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required. Use
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<command>status</command> if you are
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looking for formatted human-readable
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output.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>login</command> <replaceable>NAME</replaceable></term>
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<listitem><para>Open a terminal login
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session to a container. This will
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create a TTY connection to a specific
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container and asks for the execution of a
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getty on it. Note that this is only
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supported for containers running
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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as init system.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>reboot</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Reboot one or more
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containers. This will trigger a reboot
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by sending SIGINT to the container's
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init process, which is roughly
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equivalent to pressing Ctrl+Alt+Del on
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a non-containerized system, and is
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compatible with containers running any
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init system.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>poweroff</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Power off one or more
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containers. This will trigger a reboot
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by sending SIGRTMIN+4 to the
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container's init process, which causes
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systemd-compatible init systems to
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shut down cleanly. This operation does
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not work on containers that do not run
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a
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>-compatible
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init system, such as
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sysvinit.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>kill</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Send a signal to one
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or more processes of the virtual
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machine or container. This means
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processes as seen by the host, not the
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processes inside the virtual machine
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or container.
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Use <option>--kill-who=</option> to
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select which process to kill. Use
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<option>--signal=</option> to select
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the signal to send.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>terminate</command> <replaceable>NAME</replaceable>...</term>
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<listitem><para>Terminates a virtual
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machine or container. This kills all
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processes of the virtual machine or
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container and deallocates all
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resources attached to that
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instance.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>bind</command> <replaceable>NAME</replaceable> <replaceable>PATH</replaceable> [<replaceable>PATH</replaceable>]</term>
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<listitem><para>Bind mounts a
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directory from the host into the
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specified container. The first
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directory argument is the source
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directory on the host, the second
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directory argument the source
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directory on the host. When the latter
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is omitted the destination path in the
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container is the same as the source
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path on the host. When combined with
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the <option>--read-only</option>
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switch a ready-only bind mount is
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created. When combined with the
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<option>--mkdir</option> switch the
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destination path is first created
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before the mount is applied. Note that
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this option is currently only
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supported for
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<citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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containers.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>copy-to</command> <replaceable>NAME</replaceable> <replaceable>PATH</replaceable> [<replaceable>PATH</replaceable>]</term>
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<listitem><para>Copies files or
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directories from the host system into
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a running container. Takes a container
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name, followed by the source path on
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the host and the destination path in
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the container. If the destination path
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is omitted the same as the source path
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is used.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>copy-from</command> <replaceable>NAME</replaceable> <replaceable>PATH</replaceable> [<replaceable>PATH</replaceable>]</term>
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<listitem><para>Copies files or
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directories from a container into the
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host system. Takes a container name,
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followed by the source path in the
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container the destination path on the
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host. If the destination path is
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omitted the same as the source path is
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used.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure
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code otherwise.</para>
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</refsect1>
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<xi:include href="less-variables.xml" />
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd-machined.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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