If you ever need to generate the bootstrap.php.cache file for a Symfony2 Version higher or equal to 2.1, this will do the Job:
php /vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/bin/build_bootstrap.php
sudo apt-get install build-essentialsudo apt-get install python-cheetahwget http://peak.telecommunity.com/dist/ez_setup.pysudo python ez_setup.pysudo easy_install http://closure-linter.googlecode.com/files/closure_linter-latest.tar.gzorsudo apt-get install closure-linter
sh -c 'xfce4-screenshooter --fullscreen --save "$HOME/Pictures/Screenshots/Screenshot_$(date +%Y-%m-%d_%H:%M:%S).png"' s...