Things I’ve learned about Linux system administration, software engineering, and DevOps.
When members of my community ask about the skills required to reach a more senior engineering role, most of them think of key technologies such as React for frontend developers or Kubernetes for operations engineers. However, my perspective is different. Those key technologies, while interesting and (sometimes) important, come and go. What doesn’t change is…
In my work as a CTO, I’m thinking about friction a lot. I’m using this physics term as an analogue for everything that reduces team efficiency. This kind of friction can have substantial financial and human cost, which is why I find it important to notice and mitigate it when ever I can. In mechanical…
In my conversations with junior engineers, especially during my live streams, a question that comes up a lot in different variations is: “What skills do I have to have to be successful?” I thought I’d summarize my recommendations in this article. Analysing problems The first skill any junior engineer needs is problem-solving. As a software…
I’m not exaggerating when I say I was shocked by a question about working hours that I got during a recent office hour live stream. “So I heard from a developer that he would code and learn for like 80 hours a week when he started in order to be come an amazing engineer. I…
This article is about boring technology. And as an exception, I don’t mean “boring” in the sense of established and reliable technology that I recommend you use instead of chasing the latest hype. No, I mean that technology in general has become boring for the most part. In his article “Plateauing technology and boring computing“,…
Feature flags are useful not only to roll out new features gradually, but also to limit the blast radius of breaking changes.
How to save a system file when you forgot to open it with root permissions.
Why Test-Driven Development is an investment that pays off.
When `rpm-ostree rollback` was not an option, `rpm-os-tree rebase` saved my day.
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