sztanko

# clear out any old ppa's that might conflict
sudo rm /etc/apt/sources.list.d/*mapnik*
sudo rm /etc/apt/sources.list.d/*developmentseed*
sudo rm /etc/apt/sources.list.d/*chris-lea*

# add new ppa's
sudo apt-get install software-properties-common -y
echo 'yes' | sudo apt-add-repository ppa:chris-lea/node.js-legacy
echo 'yes' | sudo apt-add-repository ppa:mapnik/nightly-trunk