HostConfig — Home Manager Module for Fedora Atomic Host Configuration
How I extracted a reusable Home Manager module that materializes Nix store symlinks as real files — so host-side programs on Fedora Silverblue can actually read them.
Posts
Silencing Alerts During OpenShift Cluster Upgrades with Prometheus and Alertmanager
How to detect OpenShift cluster upgrades, extend the detection window to cover the recovery period, and use Alertmanager inhibit rules to suppress noisy alerts during upgrades.
How a Single Regex Stalled 30 Testing Farm Jobs for Hours
Tracing stuck Testing Farm jobs from process list through Python stack traces to a catastrophic regex backtracking bug in tmt — caused by a 1M-character line in test output.
Fixing Emoji Fonts in Chrome on Fedora Atomic Desktops
How I debugged and fixed missing emoji rendering in Google Chrome on a BlueBuild/Fedora Atomic Desktops system — and why fontconfig wasn’t the answer.
Hello World
First post on the blog – who I am, why I started writing, and what to expect.