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<!--
lxc-update-config
(C) Copyright 2017 Canonical Ltd.
Authors:
Christian Brauner <christian.brauner@ubuntu.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., 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-update-config</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>lxc-update-config</refname>
<refpurpose>
update a legacy pre LXC 2.1 configuration file
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>lxc-update-config</command>
<arg choice="req">-c <replaceable>config</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>lxc-update-config</command> detects any legacy
configuration keys in the given <replaceable>config</replaceable>
file and will replace them with the appropriate new configuration
keys.
</para>
<para>
<command>lxc-update-config</command> will first create a backup of
the old <replaceable>config</replaceable> file in the same directory
and name it <replaceable>config.backup</replaceable> and then update
the original <replaceable>config</replaceable> file in place. In
case the update fails to apply or leads to an invalid
<replaceable>config</replaceable> file that cannot be used to start
a container users can either compare
<replaceable>config</replaceable> with
<replaceable>config.backup</replaceable> and try to manually repair
any the invalid configuration keys or simply rollback to the legacy
configuration file by copying
<replaceable>config.backup</replaceable> to
<replaceable>config</replaceable>.
</para>
<para>
Any failures for <command>lxc-update-config</command> to generate a
useable <replaceable>config</replaceable> file are a bug and should
be reported upstream.
</para>
</refsect1>
<refsect1>
<title>Options</title>
<variablelist>
<varlistentry>
<term>
<option>-c, --config</option>
</term>
<listitem>
<para>
Path to the configuration file to update.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-h, --help</option>
</term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
&seealso;
<refsect1>
<title>Author</title>
<para>Christian Brauner <email>christian.brauner@ubuntu.com</email></para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
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