Enable a Features
drush en feature_name
Revert a feature
drush fr freture_name
Revert all features
drush fra -y
#OR Also
drush fr-all
Probleme 1: No internet connection
Probleme 2 : Bad repository
sudo rm -r /var/lib/apt/lists
sudo mkdir -p /var/lib/apt/lists/partial
sudo apt-get clean
sudo apt-get update