Although the PiGlow visualisation of CPU usage was pretty, we reckoned we could go a couple of steps further and integrate a much more complete tangible solution - a hardware-driven load monitor dashboard.

In my last post I described how I set up a 5-strong Raspberry Pi Docker swarm. It wasn’t long before I realised I wanted some ambient way to see how they were performing which a) didn’t involve staring at a screen and b) would wind up the cat.

A couple of weeks ago, a friend of mine reminded me about Docker. Docker is a containerisation platform which allows you to deploy different systems very quickly and efficiently on the same host machine. Not only that, you can put several Docker hosts together in order to create a swarm. It’s like VMs, but cooler.

Do you use git to manage your site and or server files? In my opinion, this is undoubtably a good way to run things but you need to make sure it’s secure. Just try going to yoursite.com/.git/config. If you haven’t secured your server properly, you will see the configuration file for your git repository. Not good, huh? Not only could an attacker reveal lots of information about your code base including where the upstream server is, I believe they could possibly get the entire source.…

I recently undertook the expedition phase of my Gold Duke of Edinburgh in a Canadian open canoe. The team and I paddled from just outside Thetford all the way down to Cambridge on the River Thet, the Little Ouse, the Great Ouse and finally, the Cam.