Install Mod Passenger on Ubuntu 14.04

install-mod-passenger.sh

# based on http://www.modrails.com/documentation/Users%20guide%20Apache.html#install_on_debian_ubuntu
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 561F9B9CAC40B2F7

sudo apt-get install apt-transport-https ca-certificates -y

sudo touch /etc/apt/sources.list.d/passenger.list
echo "deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main" > /etc/apt/sources.list.d/passenger.list

sudo chown root: /etc/apt/sources.list.d/passenger.list
sudo chmod 600 /etc/apt/sources.list.d/passenger.list
sudo apt-get update

sudo apt-get install libapache2-mod-passenger -y

sudo a2enmod passenger
sudo service apache2 restart