Setting up OpenHab Runtime on Raspberry pi 2

Hardware Server
1

executing wget -qO - ‘https://bintray.com/user/downloadSubjectPublicKey?username=openhab’ | sudo apt-key add - gives me gpg: no valid OpenPGP data found.

2

I used **curl -k ‘https://bintray.com/user/downloadSubjectPublicKey?username=openhab’ | sudo apt-key add - **and it worked