System Requirements

Linux Server
Apache Web Server
MySQL 4.1 or greater
PHP 5.x.x (mod_php/CGI)
support for GD2 Library
support for Curl

PHP configuration:
- post_max_size (maximum video upload size)
- upload_max_size (maximum video upload size)
- shell_exec should be allowed
- sh should be allowed
- ps, kill and nohup commands should be allowed
- mod_rewrite library installed and support of .htaccess files with RewriteRule attribute
- safe_mode off
- open_basedir off
- max_execution_time 7200
- max_input_time 7200
- ffmpeg-php extension should be installed (works with video thumbs, duration, etc.)

ffmpeg should be installed
flvtool2 should be installed

PHP CLI 5.x (see above)

Zend Optimizer 3.3.0 or greater
Cronjobs/scheduler support (for email alerts)