- PHP version?
PHP version >= 5.2.1
- Cache directory?
Web server has write access
- Image thumbs?
PHP GD extension with JPEG support available
- Use EXIF thumbs?
PHP EXIF extension available
- Movie thumbs?
Command line program ffmpeg available
- PDF thumbs?
Command line program convert available
- Shell tar?
Command line program tar available
- Shell zip?
Command line program zip available
- Folder sizes?
Command line program du available