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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Lighttpd 1.4 on Unix systems</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="install.unix.apache2.html">Apache 2.0 on Unix systems</a></div> <div class="next" style="text-align: right; float: right;"><a href="install.unix.caudium.html">Caudium</a></div> <div class="up"><a href="install.unix.html">Installation on Unix systems</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="install.unix.lighttpd-14" class="sect1"> <h2 class="title">Lighttpd 1.4 on Unix systems</h2> <p class="para"> This section contains notes and hints specific to Lighttpd 1.4 installs of PHP on Unix systems. </p> <p class="para"> Please use the <a href="http://trac.lighttpd.net/trac/" class="link external">» Lighttpd trac</a> to learn how to install Lighttpd properly before continuing. </p> <p class="para"> Fastcgi is the preferred SAPI to connect PHP and Lighttpd. Fastcgi is automagically enabled in php-cgi in PHP5.3, but for older versions configure php with --enable-fastcgi. To confirm that PHP has fastcgi enabled, <i>php -v</i> should contain <i>PHP 5.2.5 (cgi-fcgi)</i> Before PHP 5.2.3, fastcgi was enabled on the php binary (there was no php-cgi). </p> <div id="install.unix.lighttpd-14.lighttpd-spawn" class="sect2"> <h3 class="title">Letting Lighttpd spawn php processes</h3> <p class="para"> To configure Lighttpd to connect to php and spawn fastcgi processes, edit lighttpd.conf. Sockets are preferred to connect to fastcgi processes on the local system. </p> <div class="example"> <p><b>Example #1 Partial lighttpd.conf</b></p> <div class="example-contents"><pre><div class="cdata"><pre>server.modules += ( "mod_fastcgi" )fastcgi.server = ( ".php" => (( "socket" => "/tmp/php.socket", "bin-path" => "/usr/local/bin/php-cgi", "bin-environment" => ( "PHP_FCGI_CHILDREN" => "16", "PHP_FCGI_MAX_REQUESTS" => "10000" ), "min-procs" => 1, "max-procs" => 1, "idle-timeout" => 20 )))</pre></div> </pre></div> </div> <p class="para"> The bin-path directive allows lighttpd to spawn fastcgi processes dynamically. PHP will spawn children according to the PHP_FCGI_CHILDREN environment variable. The "bin-environment" directive sets the environment for the spawned processes. PHP will kill a child process after the number of requests specified by PHP_FCGI_MAX_REQUESTS is reached. The directives "min-procs" and "max-procs" should generally be avoided with PHP. PHP manages its own children and opcode caches like APC will only share among children managed by PHP. If "min-procs" is set to something greater than 1, the total number of php responders will be multiplied PHP_FCGI_CHILDREN (2 min-procs * 16 children gives 32 responders). </p> </div> <div id="install.unix.lighttpd-14.spawn-fcgi" class="sect2"> <h3 class="title">Spawning with spawn-fcgi</h3> <p class="para"> Lighttpd provides a program called spawn-fcgi to ease the process of spawning fastcgi processes easier. </p> </div> <div id="install.unix.lighttpd-14.spawn-php" class="sect2"> <h3 class="title">Spawning php-cgi</h3> <p class="para"> It is possible to spawn processes without spawn-fcgi, though a bit of heavy-lifting is required. Setting the PHP_FCGI_CHILDREN environment var controls how many children PHP will spawn to handle incoming requests. Setting PHP_FCGI_MAX_REQUESTS will determine how long (in requests) each child will live. Here's a simple bash script to help spawn php responders. </p> <div class="example"> <p><b>Example #2 Spawning FastCGI Responders</b></p> <div class="example-contents"><pre><div class="cdata"><pre>#!/bin/sh# Location of the php-cgi binaryPHP=/usr/local/bin/php-cgi# PID File locationPHP_PID=/tmp/php.pid# Binding to an address#FCGI_BIND_ADDRESS=10.0.1.1:10000# Binding to a domain socketFCGI_BIND_ADDRESS=/tmp/php.sockPHP_FCGI_CHILDREN=16PHP_FCGI_MAX_REQUESTS=10000env -i PHP_FCGI_CHILDREN=$PHP_FCGI_CHILDREN \ PHP_FCGI_MAX_REQUESTS=$PHP_FCGI_MAX_REQUESTS \ $PHP -b $FCGI_BIND_ADDRESS &echo $! > "$PHP_PID"</pre></div> </pre></div> </div> </div> <div id="install.unix.lighttpd-14.remote-fcgi" class="sect2"> <h3 class="title">Connecting to remote FCGI instances</h3> <p class="para"> Fastcgi instances can be spawned on multiple remote machines in order to scale applications. </p> <div class="example"> <p><b>Example #3 Connecting to remote php-fastcgi instances</b></p> <div class="example-contents"><pre><div class="cdata"><pre>fastcgi.server = ( ".php" => (( "host" => "10.0.0.2", "port" => 1030 ), ( "host" => "10.0.0.3", "port" => 1030 )))</pre></div> </pre></div> </div> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="install.unix.apache2.html">Apache 2.0 on Unix systems</a></div> <div class="next" style="text-align: right; float: right;"><a href="install.unix.caudium.html">Caudium</a></div> <div class="up"><a href="install.unix.html">Installation on Unix systems</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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