Installing Nginx With PHP5 And MySQL Support On Fedora 12 - Page 2

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Submitted by falko (Contact Author) (Forums) on Thu, 2010-02-04 17:46. ::

5 Configuring nginx

The nginx configuration is in /etc/nginx/nginx.conf which we open now:

vi /etc/nginx/nginx.conf

The configuration is easy to understand (you can learn more about it here: http://wiki.codemongers.com/NginxFullExample and here: http://wiki.codemongers.com/NginxFullExample2)

First (this is optional) you can increase the number of worker processes and set the keepalive_timeout to a reasonable value:

[...]
worker_processes  5;
[...]
    keepalive_timeout  2;
[...]

The virtual hosts are defined in server {} containers. Let's modify the default vhost as follows:

[...]
    server {
        listen       80;
        server_name  _;
        #charset koi8-r;
        #access_log  logs/host.access.log  main;
        location / {
            root   /usr/share/nginx/html;
            index  index.php index.html index.htm;
        }
        error_page  404              /404.html;
        location = /404.html {
            root   /usr/share/nginx/html;
        }
        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}
        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        location ~ \.php$ {
            root           html;
            try_files $uri =404;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;
            include        fastcgi_params;
        }
        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        location ~ /\.ht {
            deny  all;
        }
    }
[...]

server_name _; makes this a default catchall vhost (of course, you can as well specify a hostname here like www.example.com).

In the location / part, I've added index.php to the index line. root /usr/share/nginx/html; means that the document root is the directory /usr/share/nginx/html.

The important part for PHP is the location ~ \.php$ {} stanza. Uncomment it to enable it. Change the root line to the web site's dosument root (e.g. root /usr/share/nginx/html;). Please make sure that you change the fastcgi_param line to fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name; because otherwise the PHP interpreter won't find the PHP script that you call in your browser.

Now save the file and restart nginx:

/etc/init.d/nginx stop
/etc/init.d/nginx start

(I couldn't use /etc/init.d/nginx restart because this stopped nginx, but failed to start it - don't know why...)

Now create the following PHP file in the document root /usr/share/nginx/html...

vi /usr/share/nginx/html/info.php

<?php
phpinfo();
?>

Now we call that file in a browser (e.g. http://192.168.0.100/info.php):

As you see, PHP5 is working, and it's working through FastCGI, as shown in the Server API line. If you scroll further down, you will see all modules that are already enabled in PHP5, including the MySQL module:

 

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