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<!--

lxc: linux Container library

(C) Copyright IBM Corp. 2007, 2008

Authors:
Daniel Lezcano <daniel.lezcano at free.fr>

This library 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.

This library 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

-->

<!DOCTYPE refentry PUBLIC @docdtd@ [

<!ENTITY commonoptions SYSTEM "@builddir@/common_options.sgml">
<!ENTITY seealso SYSTEM "@builddir@/see_also.sgml">
]>

<refentry>

  <docinfo><date>@LXC_GENERATE_DATE@</date></docinfo>

  <refmeta>
    <refentrytitle>lxc-stop</refentrytitle>
    <manvolnum>1</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>lxc-stop</refname>

    <refpurpose>
      stop the application running inside a container
    </refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>lxc-stop</command>
      <arg choice="req">-n <replaceable>name</replaceable></arg>
      <arg choice="opt">-W</arg>
      <arg choice="opt">-r</arg>
      <arg choice="opt">-t <replaceable>timeout</replaceable></arg>
      <arg choice="opt">-k</arg>
      <arg choice="opt">--nokill</arg>
      <arg choice="opt">--nolock</arg>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>
      <command>lxc-stop</command> reboots, cleanly shuts down, or kills
      all the processes inside the container.  By default, it will
      request a clean shutdown of the container by sending
      <command>lxc.haltsignal</command> (defaults to SIGPWR) to
      the container's init process, waiting up to 60 seconds for the container
      to exit, and then returning. If the container fails to cleanly exit in
      60 seconds, it will be sent the <command>lxc.stopsignal</command>
      (defaults to SIGKILL) to force it to shut down.
    </para>
	<para>
	The <optional>-W</optional>, <optional>-r</optional>,
	<optional>-k</optional> and <optional>--nokill</optional>
	options specify the action to perform.
	<optional>-W</optional> indicates that after performing the specified
	action, <command>lxc-stop</command> should immediately exit, while
	<optional>-t TIMEOUT</optional> specifies the maximum amount of time
	to wait for the container to complete the shutdown or reboot.
	</para>
  </refsect1>

  <refsect1>
    <title>Options</title>
    <variablelist>

    <varlistentry>
	<term>
	  <option>-r,--reboot </option>
	</term>
	<listitem>
	  <para>
	    Request a reboot of the container.
	  </para>
	</listitem>
	</varlistentry>

    <varlistentry>
	<term>
	  <option>-k,--kill </option>
	</term>
	<listitem>
	  <para>
        Rather than requesting a clean shutdown of the container, explicitly
        kill all tasks in the container.  This is the legacy
        <command>lxc-stop</command> behavior.
	  </para>
	</listitem>
	</varlistentry>

    <varlistentry>
	<term>
	  <option>--nokill</option>
	</term>
	<listitem>
	  <para>
	    Only request a clean shutdown, do not kill the container tasks if the
		clean shutdown fails.
	  </para>
	</listitem>
	</varlistentry>

    <varlistentry>
	<term>
	  <option>--nolock </option>
	</term>
	<listitem>
	  <para>
	This option avoids the use of any of the API lxc locking, and should
	only be used if <command>lxc-stop</command> is hanging due to a bad
	system state.
	  </para>
	</listitem>
	</varlistentry>

    <varlistentry>
	<term>
	  <option>-W,--nowait </option>
	</term>
	<listitem>
	  <para>
	    Simply perform the requestion action (reboot, shutdown, or hard
		kill) and exit.
	  </para>
	</listitem>
	</varlistentry>

    <varlistentry>
	<term>
	  <option>-t,--timeout <replaceable>TIMEOUT</replaceable></option>
	</term>
	<listitem>
	  <para>
	    Wait TIMEOUT seconds before hard-stopping the container.
	  </para>
	</listitem>
	</varlistentry>

  </variablelist>
  </refsect1>

  <refsect1>
    <title>Exit value</title>

    <variablelist>

      <varlistentry>
        <term>0</term>
        <listitem>
          <para>
	    The container was successfully stopped.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>1</term>
        <listitem>
          <para>
	    An error occurred while stopping the container.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>2</term>
        <listitem>
          <para>
	    The specified container exists but was not running.
          </para>
        </listitem>
      </varlistentry>

    </variablelist>

  </refsect1>
  <refsect1>
    <title>Diagnostic</title>

    <variablelist>

      <varlistentry>
        <term>The container was not found</term>
        <listitem>
          <para>
	    The specified container was not created before with
	    the <command>lxc-create</command> command.
          </para>
        </listitem>
      </varlistentry>

    </variablelist>

  </refsect1>

  &seealso;

  <refsect1>
    <title>Author</title>
    <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para>
  </refsect1>

</refentry>

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