Intro I’ve been doing a bit of work recently with different CI tools. One of the ones that I’ve been using is buildkite. You can find out more about buildkite buildkite.com Infrastructure In order to use buildkite, I need to stand up a buildkite agent, or a runner. In builtkite terms its called an agent. I am going to stand up all of my infrastructure using Infrastructure as Code (IaC). My chosen IaC framework is pulumi....
Intro I’ve been programming in C on unix for a long time - too long in fact. I was reminded recently by someone that everything is a file in Linux / Unix. Tip I am going to use the term Linux to cover off both Unix and Linux from here on I thought that I would write about this with some code examples, and given I’m currently working for a security company, I thought it would be useful to point out how to use this functionality for evil rather than good from a security perspective....
Intro I recently had a discussion with a friend about what was better with regards to creating API’s. Design First or Code First. The approaches are radically different. We debated back and forth a bit, and I decided what better way to figure this out than to do two four hour sprints and write about the results. This post is about the first sprint that I did which was the Code First approach....
Intro I was recently challenged with the single task of being able to monitor all connectivity in and out of a process. At first thought this is actually fairly easy. “I’ll just use tcpdump” I thought to myself. That single sentence lead me down a rabbit hole of processes, namespaces and the linux kernel. I thought that I would share my experiences of how to do this. Why do this at all?...