source /etc/lsb-release && echo "deb https://download.rethinkdb.com/repository/ubuntu-$DISTRIB_CODENAME $DISTRIB_CODENAME main" | sudo tee /etc/apt/sources.list.d/rethinkdb.list
wget -qO- https://download.rethinkdb.com/repository/raw/pubkey.gpg | sudo apt-key add -
sudo apt-get update
sudo apt-get install rethinkdb