Add documentation for checkpoint / restart CLI.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
doc/lxc-destroy.sgml
doc/lxc-execute.sgml
doc/lxc-start.sgml
+ doc/lxc-checkpoint.sgml
+ doc/lxc-restart.sgml
doc/lxc-stop.sgml
doc/lxc-console.sgml
doc/lxc-freeze.sgml
lxc-execute.1 \
lxc-start.1 \
lxc-stop.1 \
+ lxc-checkpoint.1 \
+ lxc-restart.1 \
lxc-console.1 \
lxc-freeze.1 \
lxc-unfreeze.1 \
--- /dev/null
+<!--
+
+lxc: linux Container library
+
+(C) Copyright IBM Corp. 2007, 2008
+
+Authors:
+Daniel Lezcano <dlezcano at fr.ibm.com>
+
+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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+-->
+
+<!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN" [
+
+<!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-checkpoint</refentrytitle>
+ <manvolnum>1</manvolnum>
+ <refmiscinfo>IBM</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname>lxc-checkpoint</refname>
+
+ <refpurpose>
+ checkpoint a running container
+ </refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>lxc-checkpoint
+ --statefile=<replaceable>FILE</replaceable>
+ --statefd=<replaceable>FD</replaceable>
+ --name=<replaceable>NAME</replaceable> </command>
+ <arg><option>-k</option>|<option>-p</option></arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>
+ <command>lxc-checkpoint</command> is a command
+ to checkpoint the specified container
+ <replaceable>NAME</replaceable> and dumps its state into the file
+ <replaceable>FILE</replaceable>. If the
+ option <option>--kill</option> is specified, the application
+ running in the container will terminate after the checkpoint
+ just before resuming its execution. If the
+ option <option>--pause</option> is specified, the application
+ will be stopped after the checkpoint just before resuming
+ execution. The command <command>lxc-unfreeze</command> will
+ resume its execution.
+ </para>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Checkpoint Options</title>
+
+ <variablelist>
+
+ <varlistentry>
+ <term><option>-S, --statefile=<replaceable>FILE</replaceable></option></term>
+ <listitem>
+ <para>
+ write the state of the container in this
+ <replaceable>FILE</replaceable>.
+ This option is exclusive with <option>--statefd</option> below.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-d, --statefd=<replaceable>FD</replaceable></option></term>
+ <listitem>
+ <para>
+ write the state of the container in this
+ <replaceable>FD</replaceable> file descriptor.
+ This option is exclusive with above <option>--statefile</option>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-k,--kill</option></term>
+ <listitem>
+ <para>
+ Kill container processes after checkpoint. the processes are sent
+ a <literal>SIGKILL</literal> signal.
+ </para>
+ <para>
+ This option is mutually exclusive with the following
+ <option>--pause</option> option.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-p,--pause</option></term>
+ <listitem>
+ <para>
+ Pause container processes after checkpoint. The container
+ will be stopped until you resume it. This option is
+ mutually exclusive with previously mentionned
+ <option>--kill</option> option.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </refsect1>
+
+ &commonoptions;
+
+ <refsect1>
+ <title>Examples</title>
+ <para>
+ To start a new container <literal>123</literal> computing decimals of pi
+ </para>
+ <programlisting>
+ lxc-execute -n 123 -- pi1 -d 500000
+ lxc-execute --name=123 -- pi1 -d 500000
+ </programlisting>
+
+ <para>
+ to checkpoint the same container in <emphasis>dump-death</emphasis>
+ mode
+ </para>
+ <programlisting>
+ lxc-checkpoint -n 123 -S /share/123/chkpt1 -k
+ lxc-checkpoint --name=123 -S /share/123/chkpt1 -k
+ </programlisting>
+
+ <para>
+ to checkpoint the same container and <emphasis>pause</emphasis> it
+ </para>
+ <programlisting>
+ lxc-checkpoint -n 123 -S /share/123/chkpt1 -p
+ lxc-checkpoint --name=123 -S /share/123/chkpt1 -p
+ </programlisting>
+
+ </refsect1>
+
+ &seealso;
+
+ <refsect1>
+ <title>Author</title>
+ <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para>
+ </refsect1>
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:2
+sgml-indent-data:t
+sgml-parent-document:nil
+sgml-default-dtd-file:nil
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+-->
+<!--
+
+lxc: linux Container library
+
+(C) Copyright IBM Corp. 2007, 2008
+
+Authors:
+Daniel Lezcano <dlezcano at fr.ibm.com>
+
+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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+-->
+
<!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN" [
-<!ENTITY copyrights SYSTEM "@builddir@/copyrights.sgml">
<!ENTITY commonoptions SYSTEM "@builddir@/common_options.sgml">
<!ENTITY seealso SYSTEM "@builddir@/see_also.sgml">
-
-<!ENTITY mcr "<citerefentry>
-<refentrytitle><command>mcr</command></refentrytitle>
-<manvolnum/1/</citerefentry>">
-
]>
<refentry>
<command>lxc-kill</command> send
the <replaceable>SIGNUM</replaceable> signal to the first process of the container.
</para>
-
<para>
- The <replaceable>SIGNUM</replaceable> is a numeric value,
- the signal name is not supported.
+ The <replaceable>SIGNUM</replaceable> is a numeric value,
+ the signal name is not supported.
</para>
<para>
If this command is used on an application container ran by
</refsect1>
- ©rights;
-
&seealso;
+ <refsect1>
+ <title>Author</title>
+ <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para>
+ </refsect1>
+
</refentry>
<!-- Keep this comment at the end of the file
--- /dev/null
+<!--
+
+lxc: linux Container library
+
+(C) Copyright IBM Corp. 2007, 2008
+
+Authors:
+Daniel Lezcano <dlezcano at fr.ibm.com>
+
+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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+-->
+
+<!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN" [
+
+<!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-restart</refentrytitle>
+ <manvolnum>1</manvolnum>
+ <refmiscinfo>IBM</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+ <refname>lxc-restart</refname>
+
+ <refpurpose>
+ restart a container from a file
+ </refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>lxc-restart <optional>-f
+ config_file</optional><optional>-s KEY=VAL</optional>
+ --statefile=<replaceable>FILE</replaceable>
+ --statefd=<replaceable>FD</replaceable></command>
+ <arg choice=req><option>--name=<replaceable>NAME</replaceable></option></arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>
+ <command>lxc-restart</command> is a command
+ to restart an application from the state read in the specified
+ <replaceable>FILE</replaceable>, in a container with the
+ identifier <replaceable>NAME</replaceable>.
+ If the option <option>--pause</option>
+ is specified, the application will be stopped after the
+ restart just before resuming execution. The command
+ <command>lxc-unfreeze</command> will be needed to resume its
+ execution.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>Restart Options</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>-S, --statefile=<replaceable>FILE</replaceable></option></term>
+ <listitem>
+ <para>
+ read the state of the container in this
+ <replaceable>FILE</replaceable>.
+ This option is exclusive with <option>--statefd</option> below.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-d, --statefd=<replaceable>FD</replaceable></option></term>
+ <listitem>
+ <para>
+ read the state of the container in this
+ <replaceable>FD</replaceable> file descriptor.
+ This option is exclusive with above <option>--statefile</option>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-p</option></term>
+ <listitem>
+ <para>
+ Pause container processes after restart. The container will be
+ stopped until you resume it with the lxc-unfreeze command.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-f, --rcfile=<replaceable>config_file</replaceable></option></term>
+ <listitem>
+ <para>
+ Specify the configuration file to configure the
+ virtualization and isolation functionalities for the
+ container. This parameter should be specified if it was
+ specified for the <command>lxc-execute</command>
+ or <command>lxc-start</command> commands or if the
+ container configuration has to be changed at restart. The
+ latter may fail if the needed resources are not available
+ for the restart. If the container was created and
+ configured with <command>lxc-create</command>, this option
+ is not needed, the configuration will be automatically
+ found.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>-s <replaceable>KEY=VAL</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Assign value <replaceable>VAL</replaceable> to configuration
+ variable <replaceable>KEY</replaceable>. This overrides any
+ assignment done in <replaceable>config_file</replaceable>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </refsect1>
+
+ &commonoptions;
+
+ <refsect1>
+ <title>Examples</title>
+ <para>
+ To start a new container <literal>123</literal> computing decimals of pi
+ </para>
+ <programlisting>
+ lxc-execute -n 123 -- pi1 -d 500000
+ lxc-execute --name=123 -- pi1 -d 500000
+ </programlisting>
+
+ <para>
+ to checkpoint the same container in <emphasis>dump-death</emphasis>
+ mode
+ </para>
+ <programlisting>
+ lxc-checkpoint -n 123 -S /share/123/chkpt1 -k
+ lxc-checkpoint --name=123 --statefile=/share/123/chkpt1 -k
+ </programlisting>
+
+ <para>
+ and to restart the same container with a different id
+ </para>
+ <programlisting>
+ lxc-restart -n 200 -S /share/123/chkpt1
+ lxc-restart --name=200 --statefile=/share/123/chkpt1
+ </programlisting>
+
+ </refsect1>
+
+ &seealso;
+
+ <refsect1>
+ <title>Author</title>
+ <para>Daniel Lezcano <email>daniel.lezcano@free.fr</email></para>
+ </refsect1>
+
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:2
+sgml-indent-data:t
+sgml-parent-document:nil
+sgml-default-dtd-file:nil
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+-->