Zeega image management app.
Install Imagick. On Ubuntu:
sudo apt-get install php5-imagic
Install composer:
curl -sS https://getcomposer.org/installer | php
sudo mv composer.phar /usr/local/bin/composer
Change the log and web directory permissions (you may need to enable ACL):
sudo setfacl -dR -m u:www-data:rwx -m u:root:rwx logs/ web/
sudo setfacl -R -m u:www-data:rwX -m u:root:rwX logs/ web/