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</style><a href="index.html">Index </a>·
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 215</span><hr><div class="refentry"><a name="systemd-delta"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-delta — Find overridden configuration files</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">systemd-delta</code> [OPTIONS...] [<em class="replaceable"><code>PREFIX</code></em>[<span class="optional">/<em class="replaceable"><code>SUFFIX</code></em></span>]|<em class="replaceable"><code>SUFFIX</code></em>...]</p></div></div><div class="refsect1"><a name="idm214187729312"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>systemd-delta</strong></span> may be used to
identify and compare configuration files that override
other configuration files. Files in
<code class="filename">/etc</code> have highest priority, files
in <code class="filename">/run</code> have the second highest
priority, ..., files in <code class="filename">/lib</code> have
lowest priority. Files in a directory with higher
priority override files with the same name in
directories of lower priority. In addition, certain
configuration files can have "<code class="literal">.d</code>"
directories which contain "drop-in" files with
configuration snippets which augment the main
configuration file. "Drop-in" files can be overriden
in the same way by placing files with the same name in
a directory of higher priority (except that in case of
"drop-in" files, both the "drop-in" file name and the
name of the containing directory, which corresponds to
the name of the main configuration file, must match).
For a fuller explanation, see
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>.
</p><p>The command line argument will be split into a
prefix and a suffix. Either is optional. The prefix
must be one of the directories containing
configuration files (<code class="filename">/etc</code>,
<code class="filename">/run</code>,
<code class="filename">/usr/lib</code>, ...). If it is given,
only overriding files contained in this directory will
be shown. Otherwise, all overriding files will be
shown. The suffix must be a name of a subdirectory
containing configuration files like
<code class="filename">tmpfiles.d</code>,
<code class="filename">sysctl.d</code> or
<code class="filename">systemd/system</code>. If it is given,
only configuration files in this subdirectory (across
all configuration paths) will be analyzed. Otherwise,
all configuration files will be analyzed. If the
commandline argument is not given at all, all
configuration files will be analyzed. See below for
some examples.</p></div><div class="refsect1"><a name="idm214191606976"></a><h2 id="Options">Options<a class="headerlink" title="Permalink to this headline" href="#Options">¶</a></h2><p>The following options are understood:</p><div class="variablelist"><dl class="variablelist"><dt id="-t"><span class="term"><code class="option">-t</code>, </span><span class="term"><code class="option">--type=</code></span><a class="headerlink" title="Permalink to this term" href="#-t">¶</a></dt><dd><p>When listing the
differences, only list those that are
asked for. The list itself is a
comma-separated list of desired
difference types.</p><p>Recognized types are:
</p><div class="variablelist"><dl class="variablelist"><dt id="masked"><span class="term"><code class="varname">masked</code></span><a class="headerlink" title="Permalink to this term" href="#masked">¶</a></dt><dd><p>Show masked files</p></dd><dt id="equivalent"><span class="term"><code class="varname">equivalent</code></span><a class="headerlink" title="Permalink to this term" href="#equivalent">¶</a></dt><dd><p>Show overridden
files that while overridden, do
not differ in content.</p></dd><dt id="redirected"><span class="term"><code class="varname">redirected</code></span><a class="headerlink" title="Permalink to this term" href="#redirected">¶</a></dt><dd><p>Show files that
are redirected to another.</p></dd><dt id="overridden"><span class="term"><code class="varname">overridden</code></span><a class="headerlink" title="Permalink to this term" href="#overridden">¶</a></dt><dd><p>Show overridden,
and changed files.</p></dd><dt id="extended"><span class="term"><code class="varname">extended</code></span><a class="headerlink" title="Permalink to this term" href="#extended">¶</a></dt><dd><p>Show *.conf files in drop-in
directories for units.</p></dd><dt id="unchanged"><span class="term"><code class="varname">unchanged</code></span><a class="headerlink" title="Permalink to this term" href="#unchanged">¶</a></dt><dd><p>Show unmodified
files too.</p></dd></dl></div><p>
</p></dd><dt id="--diff="><span class="term"><code class="option">--diff=</code></span><a class="headerlink" title="Permalink to this term" href="#--diff=">¶</a></dt><dd><p>When showing modified
files, when a file is overridden show a
diff as well. This option takes a
boolean argument. If omitted, it defaults
to <code class="option">true</code>.</p></dd><dt id="-h"><span class="term"><code class="option">-h</code>, </span><span class="term"><code class="option">--help</code></span><a class="headerlink" title="Permalink to this term" href="#-h">¶</a></dt><dd><p><a name="help-text"></a>Print a short help text and exit.
</p></dd><dt id="--version"><span class="term"><code class="option">--version</code></span><a class="headerlink" title="Permalink to this term" href="#--version">¶</a></dt><dd><p><a name="version-text"></a>Print a short version string and exit.</p></dd><dt id="--no-pager"><span class="term"><code class="option">--no-pager</code></span><a class="headerlink" title="Permalink to this term" href="#--no-pager">¶</a></dt><dd><p>Do not pipe output into a pager.</p></dd></dl></div></div><div class="refsect1"><a name="idm214191664528"></a><h2 id="Examples">Examples<a class="headerlink" title="Permalink to this headline" href="#Examples">¶</a></h2><p>To see all local configuration:</p><pre class="programlisting">systemd-delta</pre><p>To see all runtime configuration:</p><pre class="programlisting">systemd-delta /run</pre><p>To see all system unit configuration changes:</p><pre class="programlisting">systemd-delta systemd/system</pre><p>To see all runtime "drop-in" changes for system units:</p><pre class="programlisting">systemd-delta --type=extended /run/systemd/system</pre></div><div class="refsect1"><a name="idm214191659360"></a><h2 id="Exit status">Exit status<a class="headerlink" title="Permalink to this headline" href="#Exit%20status">¶</a></h2><p>On success, 0 is returned, a non-zero failure
code otherwise.</p></div><div class="refsect1"><a name="idm214191658176"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
</p></div></div></body></html>
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