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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Language" content="en" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>goetia-s6-linux-init</title>
<meta name="Description" content="goetia-s6-linux-init contains scripts and a configuration to run goetia using s6-linux-init." />
<meta name="Keywords" content="goetia s6 s6-rc s6-linux-init Linux init shutdown" />
</head>
<header>
<p>
<a href="//0x53.net/software/goetia">goetia</a>
<br />
<a href="//0x53.net/software">Software</a>
<br />
<a href="//0x53.net">0x53.net</a>
</p>
</header>
<body>
<h1>goetia-s6-linux-init</h1>
<h2>What is it?</h2>
<p>
goetia-s6-linux-init contains a configuration for
<a href="https://skarnet.org/software/s6-linux-init/">s6-linux-init</a>.
It also contains wrappers around some of s6-linux-inits commands
to make them fit the rest of goetia.
Finally, it contains service directories for some
s6-linux-init specific daemons.
</p>
<p>
The configuration is used by copying
the <code>s6-linux-init</code> directory in the
<a href="//0x53.net/software/goetia/installdir.html">installation directory</a>
to <code>/etc/s6-linux-init/goetia</code>,
<em>renaming</em> the directory in the process.
</p>
<p>
It is <em>critical</em>,
that some arguments given to <code>./configure</code>
during the installation of
<a href="https://skarnet.org/software/s6-linux-init/">s6-linux-init</a>
match those used in the goetia packages.
These are:
</p>
<ul>
<li>
<code>--tmpfsdir=...</code> which must be the same
in both the goetia packages and the s6-linux-init package.
The default is in both cases the same and can be left unchanged.
However, a change of this option in e.g.
<a href="//0x53.net/software/goetia/goetia-base">goetia-base</a>
mandates the exact same change of this option in s6-linux-init
and vice versa.
</li>
<li>
<code>--scandir=...</code> of s6-linux-init
which must match
<code>--sysrundir=...</code> in goetia.
This is by default <em>not</em> given.
If the default of goetia packages is kept,
<code>--scandir=system/service</code> has to be used
for s6-linux-init.
In general setting <code>--sysrundir=<var>@sysrundir@</var></code> on
goetia packages means having to set
<code>--scandir=<var>@sysrundir@</var>/service</code>
on s6-linux-init.
</li>
</ul>
<p>
Additionally two things in respect to the
<code>run-image</code> subdirectory of the
<a href="//0x53.net/software/goetia/confdir.html#system">system configuration directory</a>
change <em>for system supervision trees only</em>.
</p>
<ul>
<li>
The <code>run-image</code> subdirectory lies now at
<code>/etc/s6-linux-init/goetia/run-image</code>
instead of
<code><var>@sysconfdir@</var>/system/run-image</code>.
</li>
<li>
When using s6-linux-init, the <code>run-image</code> is now
copied to <code><var>@tmpfsdir@</var></code> instead of
<code><var>@tmpfsdir@</var>/<var>@sysrundir@</var>/system</code>.
This has to be accomodated for by adding an additional <code>system</code>
subdirectory between the <code>run-image</code> and the <code>service</code>
directory.
To make it more clear: this results in:
<code>/etc/s6-linux-init/goetia/run-image/system/service/</code>
instead of
<code>/etc/goetia/system/run-image/service/</code>
with goetia-linux-init.
Bear in mind that this has to be further corrected for every non standard
<code>--sysrundir=...</code> setting in the goetia packages.
</li>
</ul>
<p>
If all defaults are kept on the other geotia packages,
this means the following in practice:
</p>
<ul>
<li>
During the installation of s6-linux-init, run at least <code>./configure --scandir=system/service</code>.
</li>
<li>
Symlink or copy
<a href="https://skarnet.org/software/s6/servicedir.html">service directories</a>
to <code>/etc/s6-linux-init/goetia/run-image/system/service/</code>.
</li>
</ul>
<hr>
<h2>Installation</h2>
<h3>Requirements</h3>
<ul>
<li>
A set of POSIX tools as described in the general
<a href="//0x53.net/software/requirements.html">requirements</a>
</li>
<li>
A POSIX-compliant implementation of make, or GNU make
</li>
<li>
<a href="https://skarnet.org/software/s6-linux-init/">s6-linux-init</a>
</li>
</ul>
<h3>Licensing</h3>
<p>
goetia-s6-linux-init 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 goetia-s6-linux-init is
<a href="./goetia-s6-linux-init-0.0.1.0.tar.gz">0.0.1.0</a>.
You can access its checksum
<a href="./goetia-s6-linux-init-0.0.1.0.tar.gz.sha256">here</a>.
</li>
-->
<li>
Alternatively, you can checkout a copy of the
<a href="https://git.0x53.net/goetia-s6-linux-init">goetia-s6-linux-init git repository</a>:
<pre>git clone git://git.0x53.net/goetia-s6-linux-init</pre>
</li>
</ul>
<h3>Compilation</h3>
<ul>
<li>
See the enclosed INSTALL file for installation details.
</li>
</ul>
<hr>
<h2>Reference</h2>
<section id="bin">
<h3>Commands</h3>
<p>
All of the following are
<a href="https://skarnet.org/software/execline/">execline</a>
scripts.
</p>
<ul>
<li>
<a href="./bin/system-init.html">system-init</a>
</li>
<li>
<a href="./bin/system-shutdown.html">system-shutdown</a>
</li>
</ul>
</section>
<section id="service">
<h3>Service directories</h3>
<p>
Service directories specific to the Linux Kernel
and to this init system.
</p>
<ul>
<li>
<a href="./service/system/.s6-svscan.html">.s6-svscan</a>
</li>
<li>
<a href="./service/system/s6-linux-init-runleveld.html">s6-linux-init-runleveld</a>
</li>
<li>
<a href="./service/system/s6-linux-init-shutdownd.html">s6-linux-init-shutdownd</a>
</li>
</ul>
</section>
</body>
</html>
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