A healthcheck that only says "the process responds" can hide entire business failures. What Docker HEALTHCHECK actually measures, where people overestimate it, and a decision matrix so you stop promising more than the mechanism can deliver.
Jul 03 2026 · 7′ · Tutorials · docker · devops
Vivado 2026.1 looks like it's dropping Linux support for the free tier. Before you panic or dismiss it, I turned the news into a verifiable technical decision: what's actually impacted, what's worth testing, and where the real limits of this analysis are.
May 25 2026 · 8′ · Tutorials · docker · devops
A HN post about tar on macOS made the rounds again this week. The standard answer is "use GNU tar." I went further: I reproduced the 3 scenarios that actually break production in my Railway pipeline and documented the exact fix I use.
May 04 2026 · 8′ · Tutorials · docker · devops
The Canonical DDoS hit 178 points on HN and most devs read it as someone else's news. I read it as a mirror. I dug through my Railway logs, my Docker pipelines, and my Ubuntu dependencies — and what I found made me pretty uncomfortable.
May 02 2026 · 8′ · Experiments · docker · devops
Distros find out about kernel vulnerabilities at the same time as the public. I run on Railway over Ubuntu and this forced me to audit every layer of my stack. What I found isn't reassuring.
May 01 2026 · 9′ · Opinion · docker · devops
LocalSend is leading HN today with 850 points. I installed it on Mac, Linux and mobile, measured latency against native AirDrop, and found the concrete tradeoff that all the enthusiastic posts aren't talking about: what happens when your network doesn't cooperate.
Apr 29 2026 · 9′ · Experiments · linux · herramientas de desarrollo
I installed Asahi Linux 7.0 on Apple Silicon and measured what actually works in my real development workflow. The GPU driver matters less than you think. What really changed is something else entirely.
Apr 27 2026 · 9′ · Experiments · docker · linux
Why would anyone build a subsystem that runs Linux inside Windows 95? It's not nostalgia. It's a philosophical question about compatibility, technical debt, and operating system identity. I installed it, broke it, and learned something no tutorial bothers to say.
Apr 22 2026 · 11′ · Experiments · linux · infraestructura
324 points on HN. Comments split between "never" and "it's already happening." I loaded Linux's entire git history into a database and what I found forced me to pick a side — even though the answer won't satisfy the AI crowd or the purists.
Apr 11 2026 · 9′ · Opinion · linux · inteligencia-artificial
Architecture, real systems, product decisions and technical lessons. Everything reviewed with my own judgment before it ships.
213 articles published