1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 This file is generated from xml source: DO NOT EDIT 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 --> 8<title>httpd - Apache Hypertext Transfer Protocol Server - Apache HTTP Server</title> 9<link href="/style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> 10<link href="/style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> 11<link href="/style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="/style/css/prettify.css" /> 12<script src="/style/scripts/prettify.min.js" type="text/javascript"> 13</script> 14 15<link href="/images/favicon.ico" rel="shortcut icon" /></head> 16<body id="manual-page"><div id="page-header"> 17<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p> 18<p class="apache">Apache HTTP Server Version 2.4</p> 19<img alt="" src="/images/feather.gif" /></div> 20<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div> 21<div id="path"> 22<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>httpd - Apache Hypertext Transfer Protocol Server</h1> 23<div class="toplang"> 24<p><span>Available Languages: </span><a href="/en/programs/httpd.html" title="English"> en </a> | 25<a href="/fr/programs/httpd.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 26<a href="/ko/programs/httpd.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 27<a href="/tr/programs/httpd.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 28</div> 29 30 <p><code>httpd</code> is the Apache HyperText Transfer Protocol 31 (HTTP) server program. It is designed to be run as a standalone 32 daemon process. When used like this it will create a pool of 33 child processes or threads to handle requests.</p> 34 35 <p>In general, <code>httpd</code> should not be invoked directly, 36 but rather should be invoked via <code class="program"><a href="/programs/apachectl.html">apachectl</a></code> on Unix-based systems or <a href="/platform/windows.html#winsvc">as a service on Windows NT, 37 2000 and XP</a> and <a href="/platform/windows.html#wincons">as 38 a console application on Windows 9x and ME</a>.</p> 39</div> 40<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#synopsis">Synopsis</a></li> 41<li><img alt="" src="/images/down.gif" /> <a href="#options">Options</a></li> 42</ul><h3>See also</h3><ul class="seealso"><li><a href="/invoking.html">Starting Apache httpd</a></li><li><a href="/stopping.html">Stopping Apache httpd</a></li><li><a href="/configuring.html">Configuration Files</a></li><li><a href="/platform/">Platform-specific Documentation</a></li><li><code class="program"><a href="/programs/apachectl.html">apachectl</a></code></li></ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 43<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 44<div class="section"> 45<h2><a name="synopsis" id="synopsis">Synopsis</a></h2> 46 <p><code><strong>httpd</strong> [ -<strong>d</strong> 47 <var>serverroot</var> ] [ -<strong>f</strong> <var>config</var> ] 48 [ -<strong>C</strong> <var>directive</var> ] [ -<strong>c</strong> 49 <var>directive</var> ] [ -<strong>D</strong> <var>parameter</var> ] 50 [ -<strong>e</strong> <var>level</var> ] [ -<strong>E</strong> 51 <var>file</var> ] 52 [ <strong>-k</strong> start|restart|graceful|stop|graceful-stop ] 53 [ -<strong>R</strong> <var>directory</var> ] [ -<strong>h</strong> ] 54 [ -<strong>l</strong> ] [ -<strong>L</strong> ] [ -<strong>S</strong> ] 55 [ -<strong>t</strong> ] [ -<strong>v</strong> ] [ -<strong>V</strong> ] 56 [ -<strong>X</strong> ] [ -<strong>M</strong> ] [ -<strong>T</strong> ] 57 </code></p> 58 59 <p>On <a href="/platform/windows.html">Windows systems</a>, the 60 following additional arguments are available:</p> 61 62 <p><code><strong>httpd</strong> [ -<strong>k</strong> 63 install|config|uninstall ] [ -<strong>n</strong> <var>name</var> ] 64 [ -<strong>w</strong> ]</code></p> 65</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 66<div class="section"> 67<h2><a name="options" id="options">Options</a></h2> 68 69<dl> 70<dt><code>-d <var>serverroot</var></code></dt> 71 72<dd>Set the initial value for the <code class="directive"><a href="/mod/core.html#serverroot">ServerRoot</a></code> directive to 73<var>serverroot</var>. This can be overridden by the ServerRoot 74directive in the configuration file. The default is 75<code>/usr/local/apache2</code>.</dd> 76 77<dt><code>-f <var>config</var></code></dt> 78 79<dd>Uses the directives in the file <var>config</var> on startup. If 80<var>config</var> does not begin with a /, then it is taken to be a 81path relative to the <code class="directive"><a href="/mod/core.html#serverroot">ServerRoot</a></code>. The default is 82<code>conf/httpd.conf</code>.</dd> 83 84<dt><code>-k <code>start|restart|graceful|stop|graceful-stop</code></code></dt> 85 86<dd>Signals <code>httpd</code> to start, restart, or stop. See <a href="/stopping.html">Stopping Apache httpd</a> for more information.</dd> 87 88<dt><code>-C <var>directive</var></code></dt> 89 90<dd>Process the configuration <var>directive</var> before reading 91config files.</dd> 92 93<dt><code>-c <var>directive</var></code></dt> 94 95<dd>Process the configuration <var>directive</var> after reading config 96files.</dd> 97 98 99<dt><code>-D <var>parameter</var></code></dt> 100 101<dd>Sets a configuration <var>parameter </var>which can be used with 102<code class="directive"><a href="/mod/core.html#ifdefine"><IfDefine></a></code> sections 103in the configuration files to conditionally skip or process commands 104at server startup and restart. Also can be used to set certain 105less-common startup parameters including <code>-DNO_DETACH</code> 106(prevent the parent from forking) and <code>-DFOREGROUND</code> 107(prevent the parent from calling <code>setsid()</code> et al).</dd> 108 109<dt><code>-e <var>level</var></code></dt> 110 111<dd>Sets the <code class="directive"><a href="/mod/core.html#loglevel">LogLevel</a></code> to 112<var>level</var> during server startup. This is useful for 113temporarily increasing the verbosity of the error messages to find 114problems during startup.</dd> 115 116<dt><code>-E <var>file</var></code></dt> 117 118<dd>Send error messages during server startup to <var>file</var>.</dd> 119 120<dt><code>-h</code></dt> 121 122<dd>Output a short summary of available command line options.</dd> 123 124<dt><code>-l</code></dt> 125 126<dd>Output a list of modules compiled into the server. This will 127<strong>not</strong> list dynamically loaded modules included using 128the <code class="directive"><a href="/mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</dd> 129 130<dt><code>-L</code></dt> 131 132<dd>Output a list of directives provided by static modules, together with expected arguments and 133places where the directive is valid. Directives provided by shared modules are not listed.</dd> 134 135<dt><code>-M</code></dt> 136 137<dd>Dump a list of loaded Static and Shared Modules.</dd> 138 139<dt><code>-S</code></dt> 140 141<dd>Show the settings as parsed from the config file (currently only 142shows the virtualhost settings).</dd> 143 144<dt><code>-T</code> (Available in 2.3.8 and later)</dt> 145 146<dd>Skip document root check at startup/restart.</dd> 147 148<dt><code>-t</code></dt> 149 150<dd>Run syntax tests for configuration files only. The program 151immediately exits after these syntax parsing tests with either a return code 152of 0 (Syntax OK) or return code not equal to 0 (Syntax Error). If -D 153<var>DUMP</var>_<var>VHOSTS </var>is also set, details of the virtual host 154configuration will be printed. If -D <var>DUMP</var>_<var>MODULES </var> is 155set, all loaded modules will be printed.</dd> 156 157<dt><code>-v</code></dt> 158 159<dd>Print the version of <code>httpd</code>, and then exit.</dd> 160 161<dt><code>-V</code></dt> 162 163<dd>Print the version and build parameters of <code>httpd</code>, and 164then exit.</dd> 165 166<dt><code>-X</code></dt> 167 168<dd>Run httpd in debug mode. Only one worker will be started and the 169server will not detach from the console.</dd> 170 171</dl> 172 173<p>The following arguments are available only on the <a href="/platform/windows.html">Windows platform</a>:</p> 174 175<dl> 176 177<dt><code>-k install|config|uninstall</code></dt> 178 179<dd>Install Apache httpd as a Windows NT service; change startup options for 180the Apache httpd service; and uninstall the Apache httpd service.</dd> 181 182<dt><code>-n <var>name</var></code></dt> 183 184<dd>The <var>name</var> of the Apache httpd service to signal.</dd> 185 186<dt><code>-w</code></dt> 187 188<dd>Keep the console window open on error so that the error message can 189be read.</dd> 190 191</dl> 192 193</div></div> 194<div class="bottomlang"> 195<p><span>Available Languages: </span><a href="/en/programs/httpd.html" title="English"> en </a> | 196<a href="/fr/programs/httpd.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 197<a href="/ko/programs/httpd.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | 198<a href="/tr/programs/httpd.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p> 199</div><div class="top"><a href="#page-header"><img src="/images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> 200<script type="text/javascript"><!--//--><![CDATA[//><!-- 201var comments_shortname = 'httpd'; 202var comments_identifier = 'http://httpd.apache.org/docs/2.4/programs/httpd.html'; 203(function(w, d) { 204 if (w.location.hostname.toLowerCase() == "httpd.apache.org") { 205 d.write('<div id="comments_thread"><\/div>'); 206 var s = d.createElement('script'); 207 s.type = 'text/javascript'; 208 s.async = true; 209 s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; 210 (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); 211 } 212 else { 213 d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); 214 } 215})(window, document); 216//--><!]]></script></div><div id="footer"> 217<p class="apache">Copyright 2014 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> 218<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- 219if (typeof(prettyPrint) !== 'undefined') { 220 prettyPrint(); 221} 222//--><!]]></script> 223</body></html>