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| author | Cem Keylan <cem@ckyln.com> | 2020-09-09 17:51:04 +0300 |
|---|---|---|
| committer | Cem Keylan <cem@ckyln.com> | 2020-09-09 17:51:04 +0300 |
| commit | 40eb4e45d48337dfcd748540fe25c5eb684e911d (patch) | |
| tree | ace09ab95aa39f35527c326127a056a8386b6c55 /src/docs/Configuring-Init.html | |
| parent | 77268def84b011969c62bbb1432c79de62656009 (diff) | |
| download | website-40eb4e45d48337dfcd748540fe25c5eb684e911d.tar.gz | |
Install docs
Diffstat (limited to 'src/docs/Configuring-Init.html')
| -rw-r--r-- | src/docs/Configuring-Init.html | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/docs/Configuring-Init.html b/src/docs/Configuring-Init.html new file mode 100644 index 0000000..e90cd74 --- /dev/null +++ b/src/docs/Configuring-Init.html @@ -0,0 +1,122 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 2020 Cem Keylan + +Licensed under Gnu Free Documentation License. --> +<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ --> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<title>Configuring Init (Carbs Linux User Manual)</title> + +<meta name="description" content="Configuring Init (Carbs Linux User Manual)"> +<meta name="keywords" content="Configuring Init (Carbs Linux User Manual)"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<link href="index.html" rel="start" title="Top"> +<link href="Init-System.html" rel="up" title="Init System"> +<link href="Changing-Init-Program.html" rel="next" title="Changing Init Program"> +<link href="Init-System.html" rel="prev" title="Init System"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.indentedblock {margin-right: 0em} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +kbd {font-style: oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +span.nolinebreak {white-space: nowrap} +span.roman {font-family: initial; font-weight: normal} +span.sansserif {font-family: sans-serif; font-weight: normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en"> +<span id="Configuring-Init"></span><div class="header"> +<p> +Next: <a href="Changing-Init-Program.html" accesskey="n" rel="next">Changing Init Program</a>, Up: <a href="Init-System.html" accesskey="u" rel="up">Init System</a> </p> +</div> +<hr> +<span id="Configuring-Init-1"></span><h3 class="section">3.1 Configuring Init</h3> + +<p>There are three ways you can change the behaviour of the init system. Those are: +</p> +<ol> +<li> Kernel Command Line +</li><li> <samp>/etc/init/rc.conf</samp> file +</li><li> Init Hooks +</li></ol> + +<span id="Kernel-Command-Line"></span><h4 class="subsection">3.1.1 Kernel Command Line</h4> + +<p>On GRUB, you can edit the kernel command line parameters, which will be parsed +as variables on the init system. Not all of the parameters will be acted upon, +but all of them will be set as variables on the init script. For example an +example command line, and how it is interpreted. +</p> +<div class="example"> +<pre class="example">BOOT_IMAGE=/boot/vmlinuz root=/dev/sda2 rw loglevel=3 quiet +</pre></div> + +<p>This command line will be parsed to set the following variables: +</p> +<div class="example"> +<pre class="example">BOOT_IMAGE=/boot/vmlinuz +root=/dev/sda2 +rw=1 +loglevel=3 +quiet=1 +</pre></div> + +<p>Some of these variables, such as <code>rw</code>/<code>ro</code>, <code>loglevel</code>, and +<code>quiet</code>, will be used by the init system to change the behaviour of the +startup. +</p> +<span id="g_t_002fetc_002finit_002frc_002econf-file"></span><h4 class="subsection">3.1.2 <samp>/etc/init/rc.conf</samp> file</h4> + +<p>However, the kernel command line isn’t the only place to set your boot +parameters. You can specify variables here as well, although note that the +kernel command line always gets the priority for these variables since they can +be set just before boot. +</p> +<span id="Init-Hooks"></span><h4 class="subsection">3.1.3 Init Hooks</h4> + +<p>Init hooks are for custom personal commands that the user may want to add to +alter their boot. These can be used to load kernel modules, modify interfaces, +and lot more. Those hooks are added to the <samp>/etc/init</samp> directory with the +hook name as the suffix. For example, a boot script will be placed as +<samp>/etc/init/my-hook.boot</samp>. Currently, there are 4 hooks that the user can use. +</p> +<dl compact="compact"> +<dt><samp>early-boot</samp></dt> +<dd><p>Run after pseudo-filesystems are mounted. +</p></dd> +<dt><samp>boot</samp></dt> +<dd><p>Run before the boot stage is completed. +</p></dd> +<dt><samp>pre.shutdown</samp></dt> +<dd><p>Run first when shutting down. +</p></dd> +<dt><samp>post.shutdown</samp></dt> +<dd><p>Run just before the system is halted. +</p></dd> +</dl> + +<hr> +<div class="header"> +<p> +Next: <a href="Changing-Init-Program.html" accesskey="n" rel="next">Changing Init Program</a>, Up: <a href="Init-System.html" accesskey="u" rel="up">Init System</a> </p> +</div> + + + +</body> +</html> |