Linux 下配置nginx到php的连接

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在中小企业中，LAMP架构被广泛使用。而对于高并发请求的情形，其Web服务器通常以Nginx居多，因此LNMP组合架构也非常普遍。在LAMP架构中，Apache可以使用三种方式与PHP连接通信，即以模块化的方式，CGI（已不再使用）以及FastCGI。那对于Nginx而言，则可以使用FastCGI方式，即反向代理方式，将PHP代码有FastCGI转交给PHP解释器进行处理。本文描述配置Nginx到PHP的连接。

一、环境准备

安装Nginx：Linux 6 下安装编译安装Nginx
安装PHP : Linux 6 下编译安装 PHP 5.6

二、演示环境

###当前环境为CentOS 6.7，本演示配置适用于CentOS 7下配置nginx连接PHP。# cat /etc/redhat-release CentOS release 6.7 (Final)# nginx -vnginx version: nginx/1.8.1# service nginx startStarting nginx:                   [  OK  ]# ss -nltp|grep nginxLISTEN     0      128   *:8001      *:*      users:(("nginx",2168,6),("nginx",2171,6))# service php-fpm start           Starting php-fpm  done# ss -nltp|grep phpLISTEN  0  128 127.0.0.1:9000  *:* users:(("php-fpm",2255,9),("php-fpm",2256,0),("php-fpm",2257,0))# php -vPHP 5.6.9 (cli) (built: Jul 17 2016 18:45:50) Copyright (c) 1997-2015 The PHP GroupZend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies    with XCache v3.2.0, Copyright (c) 2005-2014, by mOo    with XCache Optimizer v3.2.0, Copyright (c) 2005-2014, by mOo    with XCache Cacher v3.2.0, Copyright (c) 2005-2014, by mOo

三、配置nginx

1、编辑/etc/nginx/nginx.conf，启用如下选项：location ~ \.php$ {            root           html;            fastcgi_pass   127.0.0.1:9000;            fastcgi_index  index.php;            fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;            include        fastcgi_params;        }在所支持的主页面格式中添加php格式的主页，类似如下：location / {            root   html;            index  index.php index.html index.htm;        }2、编辑/etc/nginx/fastcgi_params，将其内容更改为如下内容：# cp /etc/nginx/fastcgi_params /etc/nginx/fastcgi_params.bk# cat /dev/null>/etc/nginx/fastcgi_params# vim /etc/nginx/fastcgi_paramsfastcgi_param  GATEWAY_INTERFACE  CGI/1.1;fastcgi_param  SERVER_SOFTWARE    nginx;fastcgi_param  QUERY_STRING       $query_string;fastcgi_param  REQUEST_METHOD     $request_method;fastcgi_param  CONTENT_TYPE       $content_type;fastcgi_param  CONTENT_LENGTH     $content_length;fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;fastcgi_param  REQUEST_URI        $request_uri;fastcgi_param  DOCUMENT_URI       $document_uri;fastcgi_param  DOCUMENT_ROOT      $document_root;fastcgi_param  SERVER_PROTOCOL    $server_protocol;fastcgi_param  REMOTE_ADDR        $remote_addr;fastcgi_param  REMOTE_PORT        $remote_port;fastcgi_param  SERVER_ADDR        $server_addr;fastcgi_param  SERVER_PORT        $server_port;fastcgi_param  SERVER_NAME        $server_name;3、重新载入nginx的配置文件：# nginx -t               # service nginx reload

四、验证

1、在/etc/nginx/html新建index.php的测试页面，测试php是否能正常工作：# vi /etc/nginx/html/index.php <?php                 ### Author : Leshamiphpinfo();            ### Blog   : http://blog.csdn.net/leshami?>2、通过浏览测试php页面浏览器打开 http://192.168.1.245:8001也可以使用如下方式测试# curl -I http://192.168.1.245:8001HTTP/1.1 200 OK                   Server: nginx/1.8.1Date: Tue, 19 Jul 2016 03:29:44 GMTContent-Type: text/html; charset=UTF-8Connection: keep-aliveX-Powered-By: PHP/5.6.93、访问mysql数据库#yum install php-mysql（安装php的mysql驱动）vim /etc/nginx/html/connmysql.php<?php        $conn = mysql_connect('192.168.1.242','robin','xxx');        if ($conn)                echo "succ";        else                echo "failute";        mysql_close();?># curl http://192.168.1.245:8001/connmysql.phpsucc

五、Nginx与PHP分离的情形

Nginx Web服务器与PHP应用服务器可能位于不同的服务器，则做如下调整：        Nginx配置通过fastcgi反向代理时应指定PHP服务器监听的IP地址及端口号。        PHP服务器监听器监听地址应修改为对外提供服务的IP地址及端口号。        可使用NFS将PHP应用服务器目录挂载的本地，配置为Nginx location 路径。如下示例：        Nginx服务器：192.168.1.245:8001        PHP  服务器：192.168.1.242Nginx服务器nginx.conf配置   location / {     #       root   html;             root  /data;         index  index.php index.html index.htm;     location ~ \.php$ {   #      root           html;          root           /data;         fastcgi_pass   192.168.1.242:9000;         fastcgi_index  index.php;         fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;         include        fastcgi_params;     }PHP服务器php-fpm.conf配置        # grep listen /usr/local/php/etc/php-fpm.conf|grep -v ";"                listen = 192.168.1.242:9000      # mkdir -pv /data        ###存放php代码        # echo "/data 192.168.1.0/24(rw)" >/etc/exports        # /etc/init.d/rpcbind start        # /etc/init.d/nfslock start        # /etc/init.d/nfs startNginx服务器mount NFS        # mount -t nfs 192.168.1.242:/data /data        验证略

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