Writing

The dead time while a coding agent works adds up to a real part of the day. I built wordwright, a terminal typing trainer that teaches grammar and writing in the gap, and this is how its interface is put together.

AWS emailed me a $95 million bill at 3am. I froze my cards and went to sleep. By morning it was 24 cents. The July 2026 AWS billing bug, and what it really taught me.

An experiment. Can an ordinary speech engine catch a single mispronounced sound in Russian and English, and can it hear prosody, the melody and rhythm that carry an accent?

An afternoon experiment: wiring an Amazon Echo to drive Claude Code on my own Mac. The fun was not the voice, it was designing a planning conversation around an LLM that is too slow to answer inside Alexa's eight second window, and then thinking about what a real product would need.

Why letting an AI review its own code is marking its own homework, and how Greenlight enforces a TDD trust boundary between the agents that write tests and the agents that write code.

Give bare-metal services real external IPs with MetalLB as a Layer 2 load balancer for the Raspberry Pi cluster.

Set up an NFS server on a worker node and wire it into the cluster as default storage with PersistentVolume and PersistentVolumeClaim manifests.

Install Kubernetes on the Raspberry Pi cluster: containerd, kubeadm, the Flannel CNI, then initialise the master node and join the workers.

Find your Raspberry Pi nodes on the network with nmap and connect over SSH, both by password and with RSA keys.

Flash Ubuntu 22.04 onto SD cards and prepare each Raspberry Pi node: locate the disk, write the image with dd, and enable SSH.

The first in a series on building a Kubernetes home lab with Raspberry Pi: the prerequisites and the equipment to get started.

How your data hops across untrusted middleman nodes to reach you, who gets to inspect it along the way, and why that quietly shapes your behaviour.

Breaking down what a VPN really is by taking each word in turn: what makes a network, what makes it private, and what virtual actually means.

How middleware can tame the complexity of AWS Lambda functions by isolating business logic from cross cutting concerns, and a look at Lambcycle, a declarative middleware built around a configurable event cycle.