Writing

Keycloak Multi-Tenancy: Realms vs Organizations

I'd heard Keycloak gets weird with many realms. So I benchmarked it. It does.

ISO 27001, ISO 42001, and What 'Aligned' Actually Means

A plain-English read on the two ISO standards that come up when customers ask about security and AI governance — and the honest difference between following them and being certified.

A Tiny Guix Build Farm on a ThinkPad

Offloading Guix builds to a LAN ThinkPad, then serving the substitutes from a static file host.

OpenPGP Web Key Directory on S3 and CloudFront

Setting up WKD so email clients can automatically find your PGP key — hosted on S3 with CloudFront.

Screen Sharing on Niri/Wayland with Guix

How to enable screen sharing on Niri/Wayland using Guix

Web Rendering in Iced — What Actually Works

I tried four different rendering engines for web content in Iced. Here's what I learned.

Run an IOTA Node on Guix

How to run an IOTA full node on Guix System.

Build React Native Android Apps on Guix in 5 Minutes

No Docker, no Android Studio. Just Guix and a few commands.

The Perfect Linux Setup: Guix on a Framework Laptop

How I configured my Framework laptop with Guix for fingerprint login, YubiKey sudo, automatic theme switching, and more.

Jail Claude Code with Guix Shell Containers

How to run Claude Code in an isolated container on Guix, protecting your system from unintended changes.

Supercharge Guix Shell with direnv

How to automatically activate Guix shell environments when entering a project directory using direnv.

Automatic Dark/Light Theme Switching on Sway with Guix

How to automatically switch between dark and light themes based on time of day using darkman on Sway/Wayland with Guix

Screen Sharing on Sway/Wayland with Guix

How to enable screen sharing on Sway/Wayland using Guix

LLM models that run well on your laptop

A quick overview of some interesting LLM models that run well on modest hardware

From Docker to Podman on Guix

A guide on transitioning from Docker to Podman using Guix.

Load Testing and Scaling (Formshive with Apache Bench)

Architecture analysis for a web application: Exploring performance bottlenecks and scaling strategies.

A Surface-Level Look at LLM Vendor Privacy

A quick overview of how AI vendors handle your data, focusing on privacy and tracking practices.

LLM Guardrails with OpenShield

Exploring OpenShield for LLM safety and compliance

From Vibe Coding to Production: Why Your Lovable.dev MVP Needs Professional Help

AI-generated apps are fantastic for validation—but terrible for scaling. Here's what happens when your MVP gets traction.

Rust and React: Tips for Full-Stack Development

How to stay productive with Rust and React using Typeshare, Garde and Mantine.