CentOS 6.5 + Nginx 1.8.0 + PHP 5.6(with PHP-FPM) 负载均衡源码安装 之 (二)PHP(PHP-FPM)安装篇
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编译安装PHP及内置PHP-FPM
nginx本身不能处理PHP,它只是个web服务器,当接收到请求后,如果是php请求,则发给php解释器处理,并把结果返回给客户端(浏览器)。
nginx一般是把请求发fastcgi管理进程处理,fascgi管理进程选择cgi子进程处理结果并返回给nginx,然后nginx返回给浏览器。
下面将以php-fpm为例介绍如何使nginx支持PHP
0.什么是php-fpm
PHP-FPM是一个PHP FastCGI管理器,是只用于PHP的.
PHP-FPM其实是PHP源代码的一个补丁,旨在将FastCGI进程管理整合进PHP包中。必须将它patch到你的PHP源代码中,在编译安装PHP后才可以使用。
新版PHP已经集成php-fpm了,不再是第三方的包了,推荐使用。PHP-FPM提供了更好的PHP进程管理方式,可以有效控制内存和进程、可以平滑重载PHP配置,比spawn-fcgi具有更多优点,所以被PHP官方收录了。在./configure的时候带 –enable-fpm参数即可开启PHP-FPM,其它参数都是配置php的,具体选项含义可以查看这里。
1.安装前准备:编译环境及依赖
编译环境:
yum -y install gcc automake autoconf libtool make gcc-c++ glibc
依赖包(按需安装):
yum -y install libxslt-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5-devel libidn libidn-devel openssl openssl-devel
2.安装php及内置php-fpm
cd ~/download #若无此目录请创建wget -O php-5.6.14.tar.gz http://cn2.php.net/get/php-5.6.14.tar.gz/from/this/mirrortar zxvf php-5.6.14.tar.gzcd php-5.6.14./configure --enable-fpm \--enable-mbstring --disable-pdo --with-curl --disable-debug --disable-rpath \--enable-inline-optimization --with-bz2 --with-zlib --enable-sockets \--enable-sysvsem --enable-sysvshm --enable-pcntl --enable-mbregex \--enable-zip --with-pcre-regex --with-mysql --with-mysqli \--with-gd --with-jpeg-dir
出现如下Thank you字样,表示配置成功:
再通过make进行编译,make install进行安装:
makemake install
最终安装后的目录路径信息如下:
Installing shared extensions: /usr/local/lib/php/extensions/no-debug-non-zts-20131226/Installing PHP CLI binary: /usr/local/bin/Installing PHP CLI man page: /usr/local/php/man/man1/Installing PHP FPM binary: /usr/local/sbin/Installing PHP FPM config: /usr/local/etc/Installing PHP FPM man page: /usr/local/php/man/man8/Installing PHP FPM status page: /usr/local/php/php/fpm/Installing PHP CGI binary: /usr/local/bin/Installing PHP CGI man page: /usr/local/php/man/man1/Installing build environment: /usr/local/lib/php/build/Installing header files: /usr/local/include/php/Installing helper programs: /usr/local/bin/ program: phpize program: php-configInstalling man pages: /usr/local/php/man/man1/ page: phpize.1 page: php-config.1Installing PEAR environment: /usr/local/lib/php/[PEAR] Archive_Tar - installed: 1.3.12[PEAR] Console_Getopt - installed: 1.3.1[PEAR] Structures_Graph- installed: 1.0.4[PEAR] XML_Util - installed: 1.2.3[PEAR] PEAR - installed: 1.9.5Wrote PEAR system config file at: /usr/local/etc/pear.confYou may want to add: /usr/local/lib/php to your php.ini include_path/root/download/php-5.6.14/build/shtool install -c ext/phar/phar.phar /usr/local/binln -s -f phar.phar /usr/local/bin/phar
3.给php创建专有的用户和组www-data
groupadd www-datauseradd -g www-data www-data
4.生成修改php-fpm的默认配置,并使php-fpm以www-data用户的身份运行:
cd /usr/local/etc/cp php-fpm.conf.default php-fpm.confvi php-fpm.conf
找到并修改为以下行(149行):
user = www-datagroup = www-data
找到并修改以下行(164行)(为了支持使用任意IP访问,为后面负载均衡做准备):
listen = [::]:9000
以上修改成功后,php-fpm是可以直接提供服务了
5.下面我们希望将其注册为服务,并可以方便的start/stop,需要如下工作
首先,修改php-fpm的配置文件,设置pid文件存放路径:
vi /usr/local/etc/php-fpm.conf
找到并修改如下内容(25行):
pid = /var/run/php-fpm.pid
在/etc/init.d/中我们创建一个服务脚本php-fpm
vi /etc/init.d/php-fpm
写入以下内容:
#! /bin/sh### BEGIN INIT INFO# Provides: php-fpm# Required-Start: $remote_fs $network# Required-Stop: $remote_fs $network# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: starts php-fpm# Description: starts the PHP FastCGI Process Manager daemon### END INIT INFOprefix=/usrexec_prefix=/usrphp_fpm_BIN=/usr/local/sbin/php-fpmphp_fpm_CONF=/usr/local/etc/php-fpm.confphp_fpm_PID=/var/run/php-fpm.pidphp_opts="--fpm-config $php_fpm_CONF"wait_for_pid () { try=0 while test $try -lt 35 ; do case "$1" in 'created') if [ -f "$2" ] ; then try='' break fi ;; 'removed') if [ ! -f "$2" ] ; then try='' break fi ;; esac echo -n . try=`expr $try + 1` sleep 1 done}case "$1" in start) echo -n "Starting php-fpm " $php_fpm_BIN $php_opts if [ "$?" != 0 ] ; then echo " failed" exit 1 fi wait_for_pid created $php_fpm_PID if [ -n "$try" ] ; then echo " failed" exit 1 else echo " done" fi ;; stop) echo -n "Gracefully shutting down php-fpm " if [ ! -r $php_fpm_PID ] ; then echo "warning, no pid file found - php-fpm is not running ?" exit 1 fi kill -QUIT `cat $php_fpm_PID` wait_for_pid removed $php_fpm_PID if [ -n "$try" ] ; then echo " failed. Use force-quit" exit 1 else echo " done" fi ;; force-quit) echo -n "Terminating php-fpm " if [ ! -r $php_fpm_PID ] ; then echo "warning, no pid file found - php-fpm is not running ?" exit 1 fi kill -TERM `cat $php_fpm_PID` wait_for_pid removed $php_fpm_PID if [ -n "$try" ] ; then echo " failed" exit 1 else echo " done" fi ;; restart) $0 stop $0 start ;; reload) echo -n "Reload service php-fpm " if [ ! -r $php_fpm_PID ] ; then echo "warning, no pid file found - php-fpm is not running ?" exit 1 fi kill -USR2 `cat $php_fpm_PID` echo " done" ;; *) echo "Usage: $0 {start|stop|force-quit|restart|reload}" exit 1 ;;esac
给该脚本赋予执行权限:
chmod +x /etc/init.d/php-fpm
注册为服务并随系统启动:
chkconfig php-fpm on
6.以上完成后,我们就可以测试并运行php了(将运行在9000端口)
service php-fpm start
我们可以通过下面的命令查看到php-fpm的进程:
ps aux|grep php
将打印出进程信息:
到此,php-fpm已经可以提供服务了
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