Since the current howto is outdated and hard to follow, because many things have changed since the time of its writing, I would like to propose a new HOWTO. Here it goes. This tutorial explains how to run multiple php-fpm versions on the same ISPConfig server. 1. Get PHP5.6 from this repo: Add the repo: Code: sudo add-apt-repository ppa:ondrej/php Install PHP5.6 Code: sudo apt-get update && sudo apt-get install php5.6 2. Set up ISPConfig to use the new version: Go to System >> Additional PHP Versions In the NAME tab choose the server and enter a name for the new PHP installation, in my case PHP5.6 In the PHP-FPM settings tab, enter the following: -Path to PHP-FPM init script: This is located in /etc/init.d. Just search this directory for something like PHP5.6 and enter the path to it in this field. -Path to PHP.INI: Enter here the path to PHP-FPM's php.ini. It's typically something like /etc/php/5.6/fpm/php.ini, but you better use LOCATE to find its precise location. -Path to PHP-FPM pool directory: It's typically something like /etc/php/5.6/fpm/pool.d, but you better use LOCATE to find its precise location. This is what the final result should look like:
