This is a story about music composed by a computer, and collaboration between many individuals, each of whom has extended the work of their predecessor.
The original BitShift Variations in C Minor is a composition generated by code written in C by Rob Miles. It’s an extremely short yet amazingly complex piece of code, written for a “code golf” competition.
I recently had to set up a wireless MIDI link between a laptop and a MIDI-enabled pipe organ. I learnt a few lessons along the way, so this is partly a tutorial, partly some notes on the lessons learned, and partly a mini review of the devices I bought. My use case After a recentContinue reading “Bluetooth MIDI with CME WIDI”
The Jaguar XJ models of the 1990s, the X300 generation XJ6 and the X308 generation XJ8, are very similar looking cars. The key different is what’s under the bonnet – the XJ6 has a straight 6 AJ16 engine in 3.2 or 4.0 form while the XJ8 sports an 8-cylinder AJ-V8 engine in the same displacements.Continue reading “How to distinguish the Jaguar XJ6 and XJ8”
The rear view mirror used the 1997-2002 Jaguar XJ8 (X308) and related cars like the Jaguar XK8 (X100) has a light-sensitive electrochromic auto-dimming feature which is unfortunately prone to failure. The mirror develops discoloured patches. The chemical that darkens to dim the mirror tends to move around, causing blotches of brown or black. If you’reContinue reading “Jaguar XJ8 X308 rear view mirror replacement”
A few months ago I bought a 1997 Jaguar XJ8 and I’ve really enjoyed owning it. Owning an old car is interesting so I decided to compare it to the other vehicle I own – a 2015 Ford Mondeo. I wanted to see how top-of-the-range features from almost 25 years ago compare to a regularContinue reading “Modernity vs Luxury”
A while ago I blogged about the possibilities of using Ceph to provide hyperconverged storage for Kubernetes. It works, but I never really liked the solution so I decided to look at dedicated storage solutions for my home lab and a small number of production sites, which would escape the single-node limitation of the MicroK8sContinue reading “Using TrueNAS to provide persistent storage for Kubernetes”
Out of the box, the MicroK8s distribution of ingress-nginx installed as the MicroK8s addon ingress binds to ports 80+443 on the node’s IP address using a hostPort, as we can see here on line 20: This is fine for a single-node deployment, but now MicroK8s supports clustering we need to find a way of load-balancing our Ingress, as a multi-node cluster willContinue reading “Load-balancing Ingress with MetalLB on MicroK8s”
With MicroK8s it’s easy to enable the Kubernetes Dashboard by running If you’re running MicroK8s on a local PC or VM, you can access the dashboard with kube-proxy as described in the docs, but if you want to expose it properly then the best way to do this is with an Ingress resource. Firstly, makeContinue reading “Exposing the Kubernetes Dashboard with an Ingress”
This guide explains how to build a highly-available, hyperconverged Kubernetes cluster using MicroK8s, Ceph and MetalLB on commodity hardware or virtual machines. This could be useful for small production deployments, dev/test clusters, or a nerdy toy. Other guides are available – this one is written from a sysadmin point of view, focusing on stability andContinue reading “Building a hyperconverged Kubernetes cluster with MicroK8s and Ceph”