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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2019-04-26 15:52:54 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2019-04-26 15:52:54 +0000 |
| commit | 1bfba3b0be32306b078f5ee527b864e758b2c77b (patch) | |
| tree | 155db6f3c01becd24d422a2e55582e222ad6a89e /doc/s6-linux-init-halt.html | |
| parent | 9e6d0f168bf59df9cd829d6ebe63fb08ea9ae01e (diff) | |
| download | s6-linux-init-1bfba3b0be32306b078f5ee527b864e758b2c77b.tar.xz | |
Make a single hpr. Full doc, first draft.
Diffstat (limited to 'doc/s6-linux-init-halt.html')
| -rw-r--r-- | doc/s6-linux-init-halt.html | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/doc/s6-linux-init-halt.html b/doc/s6-linux-init-halt.html deleted file mode 100644 index 0f68995..0000000 --- a/doc/s6-linux-init-halt.html +++ /dev/null @@ -1,102 +0,0 @@ -<html> - <head> - <meta name="viewport" content="width=device-width, initial-scale=1.0" /> - <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> - <meta http-equiv="Content-Language" content="en" /> - <title>s6-linux-init: the s6-linux-init-halt program</title> - <meta name="Description" content="s6-linux-init: the s6-linux-init-halt program" /> - <meta name="Keywords" content="s6 linux init administration root utilities shutdown halt poweroff reboot" /> - <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> --> - </head> -<body> - -<p> -<a href="index.html">s6-linux-init</a><br /> -<a href="//skarnet.org/software/">Software</a><br /> -<a href="//skarnet.org/">skarnet.org</a> -</p> - -<h1> The <tt>s6-linux-init-halt</tt> program </h1> - -<p> -<tt>s6-linux-init-halt</tt> triggers the shutdown procedure in order to -halt the system; or, with the <tt>-f</tt> option, it performs an immediate -hard shutdown. -</p> - -<h2> Interface </h2> - -<pre> - s6-linux-init-halt [ -h | -p | -r ] [ -d | -w ] [ -W ] [ -f ] [ -R <em>tmpfsdir</em> ] -</pre> - -<ul> - <li> If the <tt>-f</tt> option is present, s6-linux-init-halt halts the system immediately. </li> - <li> Else, it triggers the machine's shutdown procedure. - <li> It exits 0. The shutdown procedure happens asynchronously. </li> -</ul> - -<p> - This interface follows the traditional <em>sysvinit</em> interface for the -<tt>halt</tt>, <tt>poweroff</tt> and <tt>reboot</tt> programs as close as possible. -</p> - -<h2> Exit codes </h2> - -<ul> - <li> 0: shutdown procedure triggered. </li> - <li> 100: wrong usage, or user does not have root privileges. </li> - <li> 111: system call failed. </li> -</ul> - -<h2> Options </h2> - -<ul> - <li> <tt>-h</tt> : halt. No matter the name of the command, it will order -a halt (i.e. the system will be shut down, but the power will remain up). -This is the default for <tt>s6-linux-init-halt</tt>. </li> - <li> <tt>-p</tt> : poweroff. No matter the name of the command, it will order -a power off. This is the default for <tt>s6-linux-init-poweroff</tt>. </li> - <li> <tt>-r</tt> : reboot. No matter the name of the command, it will order -a reboot. This is the default for <tt>s6-linux-init-reboot</tt>. </li> - <li> <tt>-d</tt> : Do not write a wtmp shutdown entry. </li> - <li> <tt>-w</tt> : Only write a wtmp shutdown entry; do not actually shut down -the system. </li> - <li> <tt>-W</tt> : Do not send a <tt>wall</tt> message to users before shutting -down the system. Some other implementations of the <tt>halt</tt>, <tt>poweroff</tt> -and <tt>reboot</tt> commands use the <tt>--no-wall</tt> long option to achieve this. </li> - <li> <tt>-f</tt> : force. The command will not trigger a clean shutdown -procedure; it will just sync the filesystems then tell the kernel to immediately -halt, poweroff or reboot. This should be the last step in the lifetime of the -machine. </li> - <li> <tt>-R <em>tmpfsdir</em></tt> : assume that the root-only -boot-time tmpfs has been mounted on <em>tmpfsdir</em>. Default is <tt>/run</tt>. -It is important to get this right, because the contact point with the -<a href="s6-linux-init-shutdownd.html">s6-linux-init-shutdownd</a> daemon, -which manages the shutdown procedure, is located under this directory. The -<tt>halt</tt>, <tt>poweroff</tt> and <tt>reboot</tt> scripts created by a -<a href="s6-linux-init-maker.html">s6-linux-init-maker</a> invocation -automatically use the correct <tt>-R</tt> option. </li> -</ul> - -<h2> Notes </h2> - -<ul> - <li> The -<a href="s6-linux-init-halt.html">s6-linux-init-halt</a>, -<a href="s6-linux-init-poweroff.html">s6-linux-init-poweroff</a>, -<a href="s6-linux-init-reboot.html">s6-linux-init-reboot</a> and -<a href="s6-linux-init-shutdown.html">s6-linux-init-shutdown</a> -binaries are not meant to be called directly by administrators. -Instead, their purpose is to be used in <tt>halt</tt>, <tt>poweroff</tt>, -<tt>reboot</tt> and <tt>shutdown</tt> scripts created by -<a href="s6-linux-init-maker.html">s6-linux-init-maker</a>; those scripts -will call them with the correct <tt>-R <em>tmpfsdir</em></tt> option. -The scripts should typically be linked to <tt>/sbin</tt> after -<a href="s6-linux-init-maker.html">s6-linux-init-maker</a> execution, to -provide drop-in replacements for the <em>sysvinit</em> programs with the -same names. </li> -</ul> - -</body> -</html> |