Apache — Switching to PHP-FPM

A few system updates ago, PHP fell over completely because of some multi-processing module. The quick fix was to change the multi-processing module and avoid having to figure out what changed and how to use php-fpm. Part of moving my VM’s to the new server, though, is cleaning up anything I’ve patched together as a quick fix. And, supposedly, php-fpm is a lot faster than the old-school Apache handler. Switching was a lot less involved than I had expected.

Install php-fpm:

dnf install php-fpm

Edit 00-mpm.conf

My quick fix was to switch to a non-default multi-processing module. That change is reverted to re-enable the ‘event’ module

vim /etc/httpd/conf.modules.d/00-mpm.conf

Configure Apache PHP Module

Verify the socket name used in /etc/php-fpm.d/ — Fedora is configured from /etc/php-fpm.d/www.conf with a socket at /var/run/php-fpm/www.sock

cp /etc/httpd/conf.modules.d/15-php.conf /etc/httpd/conf.modules.d/15-php.conf.orig
vi /etc/httpd/conf.modules.d/15-php.conf

# Handle files with .php extension using PHP interpreter

# Proxy declaration
<Proxy "unix:/var/run/php-fpm/www.sock|fcgi://php-fpm">
    	ProxySet disablereuse=off
</Proxy>

# Redirect to the proxy
<FilesMatch \.php$>
	SetHandler proxy:fcgi://php-fpm
</FilesMatch>

#
# Allow php to handle Multiviews
#
AddType text/html .php

#
# Add index.php to the list of files that will be served as directory
# indexes.
#
DirectoryIndex index.php

Enable php-fpm to auto-start, start php-fpm, and restart Apache

systemctl enable php-fpm
systemctl start php-fpm
systemctl restart httpd

Voila — phpinfo() confirms that I am using FPM/FastCGI

We’ll see if this actually does anything to improve performance!

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