Download the airVision Debian deb from Ubiquiti’s website.
http://www.ubnt.com/download/
Next upload the airvision.deb file to your server.
Install prerequisites
apt-get install openjdk-7-jre-headless
Install airVision
dpkg -i unifi-video_3.0.8~Debian7_amd64.deb
Once it finishes installing open up a web browser and go to https://yourserverip:7443 to finish setting up the controller