Quick script to get openHAB installed on your Debian (Jessie) based system.

makehab.sh

#!/bin/bash

echo "This script will install and start openHAB on your system"

echo "Grabbing the openHAB Repository Key"
echo "deb http://dl.bintray.com/openhab/apt-repo stable main" | sudo tee /etc/apt/sources.list.d/openhab.list
curl 'https://bintray.com/user/downloadSubjectPublicKey?username=openhab' | sudo apt-key add -
echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee -a /etc/apt/sources.list.d/webupd8.list
echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main" | tee -a /etc/apt/sources.list.d/webupd8.list
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
apt-get update

echo "Updating Apt and installing openHAB with Oracle Java 7"
sudo apt-get -y install openhab-runtime oracle-java7-installer

echo "Enabling and starting openHAB"
sudo systemctl enable openhab
sudo systemctl start openhab