Effective Shell 4: Move Around!
This is the fourth part of my Effective Shell series, a set of practical examples of ways to be more efficient with everyday tasks in the shell or at the command line. Part 1: Navigating…
Dynamic and Configurable Availability Zones in Terraform
When building Terraform modules, it is a common requirement to want to allow the client to be able to choose which region resources are created in, and which availability zones are used. I've seen a…
A portable and magic-free way to open Pull Requests from the Command Line
This little bash snippet will let you open a GitHub or GitLab pull request from the command line on most Unix-like systems (OSX, Ubuntu, etc), without using any magic libraries, ZSH tricks or other dependencies.…
Manipulating Istio and other Custom Kubernetes Resources in Golang
In this article I'll demonstrate how to use Golang to manipulate Kubernetes Custom Resources, with Istio as an example. No knowledge of Istio is needed, I'll just use it to demonstrate the concepts! Istio is…
Procedural Smiles - Animating SVG with pure JavaScript
I recently needed to be able to generate a simple face image, with the face being able to scale from happy to sad. (Why I needed to do this is a long story!) This gave…