~/juan $ ls -t blog/
The log
Articles and write-ups on electronics, firmware, 3D printing, and whatever else I'm tinkering with.
PrintForHelp: what my wife and I built after the Venezuela earthquake
On June 24 two earthquakes hit northern Venezuela. Within days the maker community was printing splints for the injured — and drowning in WhatsApp messages. This is how we ended up building a platform to organize it.
Fixing Steam 'opens then closes' on Linux (the steamwebhelper crash loop)
Steam launched from the .deb would flash a window and vanish on Ubuntu 26.04. It wasn't missing libs, the GPU driver, or AppArmor — it was the bundled Chromium UI crash-looping. Here's how I tracked it down and fixed it.
Deploying Harbor on k3s: a private container registry for the homelab
How I set up Harbor as a self-hosted Docker registry on my k3s cluster, exposed it through Traefik with a clean hostname, and got image pushes working end-to-end.