System Requirements

SOFTWARE REQUIREMENT
Operating System Linux
Web server Apache: compatible with Apache 1.3 or Apache 2.x hosted on UNIX/Linux. The Apache 'mod_rewrite' extension allows for clean URLs
MySQL MySQL 4.1 or higher 
PHP PHP 5.2 

Additional Requirements

  1. Resources Most Avalon MIS Websites require between 14-40MB of disk space.
  2. Some contributed modules  additionally require the following rights: CREATE TEMPORARY TABLES, LOCK TABLES.
  3. Do not use PHP 4.3.9, PHP 4.4.2 or PHP 5.0.4; these releases have known bugs that will interfere with other applications.
  4. There was also an issue with the Zend Optimizer Version 2.5.10 for PHP 4.4.x. You should ask your host to upgrade to a later release as soon as possible where applicable.
  5. Some form of database administration program such as PHPMyAdmin, to enable effective management of the database.
  6. An image library for PHP such as the GD library is needed for image manipulation (resizing user pictures, image and imagecache modules). 
  7. PHP needs the following configuration directives:register_globals: off; this is the default value, but some hosts have it enablederror_reporting set to E_ALL & ~E_NOTICE. 
  8. safe_mode: off. Safe mode may interfere with file and image uploads.