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<title>s6-rc - a service manager for s6</title>
<meta name="Description" content="s6-rc - a service manager for s6" />
<meta name="Keywords" content="s6 rc unix s6-rc init service management rc.d scripts administration root laurent bercot ska skarnet" />
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<p>
<a href="//skarnet.org/software/">Software</a><br />
<a href="//skarnet.org/">skarnet.org</a>
</p>
<h1> s6-rc </h1>
<h2> What is it ? </h2>
<p>
s6-rc is a service manager for
<a href="//skarnet.org/software/s6/">s6</a>-based
systems, i.e. a suite of programs that can start and stop
services, both long-running daemons and one-time
initialization scripts, in the proper order according to a
dependency tree. It ensures that long-running daemons are
supervised by the s6 infrastructure, and that one-time
scripts are also run in a controlled environment.
</p>
<hr />
<ul>
<li> <a href="why.html">Why</a> such a program ? </li>
<li> A <a href="overview.html">high-level overview</a> of s6-rc </li>
<li> <a href="faq.html">FAQ</a> for s6-rc </li>
</ul>
<hr />
<h2> Installation </h2>
<h3> Requirements </h3>
<ul>
<li> A POSIX-compliant system with a standard C development environment </li>
<li> GNU make, version 3.81 or later </li>
<li> <a href="//skarnet.org/software/skalibs/">skalibs</a> version
2.14.1.1 or later. It's a build-time requirement. It's also a run-time
requirement if you link against the shared version of the skalibs library. </li>
<li> <a href="//skarnet.org/software/execline/">execline</a> version
2.9.5.1 or later. It's a build-time <em>and</em> run-time requirement. </li>
<li> <a href="//skarnet.org/software/s6/">s6</a> version
2.12.0.5 or later. It's a build-time <em>and</em> run-time requirement. </li>
</ul>
<h3> Licensing </h3>
<p>
s6-rc is free software. It is available under the
<a href="https://opensource.org/licenses/ISC">ISC license</a>.
</p>
<h3> Download </h3>
<ul>
<li> The current released version of s6-rc is
<a href="s6-rc-0.5.4.3.tar.gz">0.5.4.3</a>. </li>
<li> Alternatively, you can checkout a copy of the
<a href="//git.skarnet.org/cgi-bin/cgit.cgi/s6-rc/">s6-rc
git repository</a>:
<pre> git clone git://git.skarnet.org/s6-rc </pre> </li>
<li> There's also a
<a href="https://github.com/skarnet/s6-rc">GitHub mirror</a>
of the s6-rc git repository. </li>
</ul>
<h3> Compilation </h3>
<ul>
<li> See the enclosed INSTALL file for installation details. </li>
</ul>
<h3> Upgrade notes </h3>
<ul>
<li> <a href="upgrade.html">This page</a> lists the differences to be aware of between
the previous versions of s6-rc and the current one. </li>
</ul>
<hr />
<h2> Reference </h2>
<h3> Commands </h3>
<h4> Offline tools: creating and managing a compiled service database </h4>
<ul>
<li> <a href="s6-rc-compile.html">The <tt>s6-rc-compile</tt> program</a> </li>
<li> <a href="s6-rc-db.html">The <tt>s6-rc-db</tt> program</a> </li>
<li> <a href="s6-rc-bundle.html">The <tt>s6-rc-bundle</tt> program</a> </li>
</ul>
<h4> Online tools: managing your live services </h4>
<ul>
<li> <a href="s6-rc-init.html">The <tt>s6-rc-init</tt> program</a> </li>
<li> <a href="s6-rc.html">The <tt>s6-rc</tt> program</a> </li>
<li> <a href="s6-rc-update.html">The <tt>s6-rc-update</tt> program</a> </li>
</ul>
<h4> Upgrading from earlier s6-rc database formats </h4>
<ul>
<li> <a href="s6-rc-format-upgrade.html">The <tt>s6-rc-format-upgrade</tt> program</a> </li>
</ul>
<h4> Programs used internally </h4>
<ul>
<li> <a href="s6-rc-dryrun.html">The <tt>s6-rc-dryrun</tt> internal program</a> </li>
<li> <a href="s6-rc-oneshot-run.html">The <tt>s6-rc-oneshot-run</tt> internal program</a> </li>
<li> <a href="s6-rc-fdholder-filler.html">The <tt>s6-rc-fdholder-filler</tt> internal program</a> </li>
</ul>
<h2> Related resources </h2>
<p>
I am working on version 1.0.0.0 of s6-rc: more complete and more
user-friendly. It is a huge project, so I have a
<a href="https://skarnet.com/projects/service-manager.html">call for funds</a>
for it, in order to work on it full-time. (I have found a sponsor and am
actually working on it!)
</p>
<h3> Discussion </h3>
<ul>
<li> <tt>s6-rc</tt> is discussed on the
<a href="//skarnet.org/lists/#skaware">skaware</a> mailing-list. </li>
</ul>
<h3> Similar work </h3>
<ul>
<li> <a href="https://jjacky.com/anopa/">anopa</a> is another service manager
for s6, with a similar design (but no compilation phase). </li>
<li> <a href="https://jdebp.uk/Softwares/nosh/">nosh</a>
is a complete init system and service manager for Unix. </li>
</ul>
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