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1dba654b27
There's really no point to send the reboot SIGINT from machinectl directly, if machined can do that anyway. This saves code, and makes machinectl network transparent for these verbs. And while we are at it we can easily add a "poweroff" verb in addition to "reboot". Yay!
296 lines
14 KiB
XML
296 lines
14 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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<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>ID</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>ID</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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ID 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>ID</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>ID</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>ID</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>ID</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>ID</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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</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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