I think the OS X thing is just offered to be nice, but their controller is effortless to install on Debian, even remotely.
I put our controller on a $5 DigitalOcean droplet with Debian 8. Took 10 minutes to set up back in January, has been working faultlessly ever since (even through automated updates).
I put our controller on a $5 DigitalOcean droplet with Debian 8. Took 10 minutes to set up back in January, has been working faultlessly ever since (even through automated updates).