Detecting Failed AD2USB to Raspberry Pi Connections

One of my ongoing home automation frustrations is the interface between my Ademco Alarm Panel and the Raspberry Pi I use to monitor the panel’s bus traffic. The problem that I have is a termination of the USB connection between …

EC2, UFW and Broken SSH Access

I’m a big fan of Amazon’s EC2 platform and long ago migrated all of my servers to its “cloud”. I’m also a realist when it comes to security and take all of the reasonable precautions I can to limit my …