Introduction Recently I have been spending a lot of time playing with AWS Lambda functions for various tasks like (small) ad-hoc data imports, billing alerts and building Amazon Alexa Skills. For simple tinkering

Introduction TL;DR - Here is the GitHub link: https://github.com/paul-ridgway/aero-keyboard, which documents the protocol and has a few utility scripts and examples. For the first time in a long

Introduction My recent projects and write-ups (linked below) have involved Network (PXE) Booting a Pi and loading the root file-system from NFS. It works well but any files operations are quite slow, and

Introduction While going forward it would be ideal to only use Rasberry Pi 3s for Network Booting (or generally) we have a number of Pi 2s left at The Floow. Being able to

I recently installed Ruby (via RVM) on a Mac I use for work, and upon trying to run rails (after the usual bundle install) I got the following error: There was an error

The Problem It seems there are a number of NVIDIA Graphics Cards that do not place nicely with the Open Source Nouveau driver, some of which is described here. Installing Ubuntu If you

Introduction At The Floow we have music playing in the office through some wall-mounted power speakers. We wanted our staff to be able to control what is playing, skip tracks, change volume, etc.

Introduction Let's Encrypt is an awesome service that appeared on my radar around the end of 2015. Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’