Advent of Code 🎄 - an eBPF take 🐝

It’s that period of the year already ! With December comes the Advent of Code programming challenge, and its daily mental workout. Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. The complexity level of the programming challenges increase every day, and tend to be notoriously hard during the last few days....

9 December 2023 · 11 min · 2268 words · Clément Nussbaumer

Kubernetes CNI — deconstructed

A few months ago, I had to understand in detail how Container Network Interface (CNI) is implemented to, well, simply get a chaos testing solution working on a bare-metal installation of Kubernetes. At that time, I found a few resources that helped me understand how this was implemented, mainly Kubernetes’ official documentation on the topic, and the official CNI specification. And yes, this specification simply consists of a Markdown document, which I needed to invest a consequent amount of energy to digest and process....

29 March 2021 · 6 min · 1204 words · Clément Nussbaumer