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<div id="preamble"><h1>Apache Module mod_systemd</h1>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Provides better support for systemd integration</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>systemd_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_systemd.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.4.42 and later</td></tr></table>
<h3>Summary</h3>
<p>This module provides support for systemd integration. It allows
httpd to be used in a service with the systemd
<code>Type=notify</code> (see <a href="https://www.freedesktop.org/software/systemd/man/systemd.service.html">systemd.service(5)</a>
for more information). The module is activated if loaded.</p>
<div class="example"><h3>Example of systemd service unit (more settings are probably needed for production systems)</h3><pre>[Unit]
Description=The Apache HTTP Server
After=network.target
[Service]
Type=notify
ExecStart=/usr/local/apache2/bin/httpd -D FOREGROUND -k start
ExecReload=/usr/local/apache2/bin/httpd -k graceful
KillMode=mixed
[Install]
WantedBy=multi-user.target</pre></div>
<p>Special attention should be given to how <code>ExecStop</code>
and/or <code>KillMode</code> are configured for the service. If
configured, an <code>ExecStop</code> command should be a
<em>synchronous operation</em> which itself exits when the daemon
has terminated. Running <code>httpd -k stop</code>
<em>asynchronously</em> initiates daemon termination, so does not
satisfy this condition. The example above uses
<code>KillMode=mixed</code> so that systemd sends
<code>SIGTERM</code> to signal the parent process (and only the
parent) to shut down. The entire process group is then sent
<code>SIGKILL</code> after <code>TimeoutStopSec</code> elapses, if
any processes are still running. See <a href="https://www.freedesktop.org/software/systemd/man/systemd.kill.html">systemd.kill(5)</a>
for more information.</p>
<p>This module does not provide support for Systemd socket activation.</p>
<p><code class="directive"><a href="../mod/core.html#extendedstatus">ExtendedStatus</a></code> is
enabled by default if the module is loaded. If <code class="directive"><a href="../mod/core.html#extendedstatus">ExtendedStatus</a></code> is not disabled in
the configuration, run-time load and request statistics are made
available in the <code>systemctl status</code> output.</p>
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<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3 class="directives">Directives</h3>
<p>This module provides no
directives.</p>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_systemd">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_systemd">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><a href="#comments_section">Comments</a></li></ul></div>
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