Kristoffer Opsahl

Hard-disk drives (HDDs) should be securely erased before being sold or recycled.

Let me preemptively acknowledge the fact that anyone who reads this probably has some level of LLM fatigue from social media.

dd is one of those commands for which I have to look up proper usage every usage because I use it regularly but not often.

This article is a public note-to-self where I’ll go through the basic configuration I use to get new computers ready for programming in just a couple of minutes.

This is a write-up of one of the challenges from this year’s TG:Hack.

I recently participated in TG:Hack, which is Norway’s largest Capture The Flag (CTF) competition.

Java’s Optional is over a decade old, and has been subject to intense debate since long before its release.

This is a guide on how to run Apache Kafka® locally, and how to start using it.

This post is intented to give a high-level description of the basic components of Apache Kafka® (Kafka) for someone that is entirely new to it, and that is sufficient to get building.

I’m a software engineer and consultant based in Oslo, Norway.