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<page xmlns="http://projectmallard.org/1.0/"
xmlns:its="http://www.w3.org/2005/11/its"
type="topic" style="task"
id="dconf-lockdown">
<info>
<link type="guide" xref="user-settings#lockdown" />
<!-- <link type="seealso" xref="dconf-profiles" />-->
<revision version="0.1" date="2012-05-21" status="review"/>
<revision pkgversion="3.8" version="0.1" date="2013-04-26" status="review"/>
<credit type="author copyright">
<name>Ryan Lortie</name>
<email its:translate="no">desrt@desrt.ca</email>
<years>2012</years>
</credit>
<credit type="copyright editor">
<name>Ekaterina Gerasimova</name>
<email its:translate="no">kittykat3756@gmail.com</email>
<years>2013</years>
</credit>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
<desc>Use the <em>lockdown</em> mode in <sys its:translate="no">dconf</sys>
to prevent users from changing specific settings.</desc>
</info>
<title>Lock down specific settings</title>
<p>To <em>lock down</em> a <sys its:translate="no">dconf</sys> key, you will
need to create a <file its:translate="no">locks</file> subdirectory in the
keyfile directory. The files inside this directory contain a list of keys to
lock. Just as with the
<!--<link xref="dconf-keyfiles">-->keyfiles<!--</link>-->, you may add any
number of files to this directory. Here is an example of what one might look
like:</p>
<steps>
<title>How to lock the default wallpaper</title>
<item>
<p>First, set a setting, such as a default background which will be used
for this example.</p>
</item>
<item>
<p>Create a directory named
<file its:translate="no">/etc/dconf/db/local.d/locks</file>.</p>
</item>
<item>
<p>Edit
<file its:translate="no">/etc/dconf/db/local.d/locks/00_default-wallpaper</file>,
listing one key per line:</p>
<code its:translate="no">
# <span its:translate="yes">prevent changes to the background</span>
/org/gnome/desktop/background/picture-uri
/org/gnome/desktop/background/picture-options
/org/gnome/desktop/background/primary-color
/org/gnome/desktop/background/secondary-color
</code>
</item>
<include href="dconf-snippets.xml"
xpointer="xpointer(/*/*[@xml:id='dconf-update'])"
xmlns="http://www.w3.org/2001/XInclude"/>
</steps>
<note>
<p>As of <app its:translate="no">dconf</app> 0.7.4, lockdown is only
supported on a per-key basis for performance reasons; you may not yet lock
entire subpaths. There are plans to address this in future releases.</p>
</note>
</page>
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