An engineering reflection on OpenTelemetry, spans, and why telemetry design belongs in the code — not in a post-launch dashboard project.

An engineering reflection on spans, trace context, propagation, semantic conventions, business telemetry, and why useful observability does not require exposing sensitive customer data.

How W3C Trace Context, traceparent, tracestate, and OpenTelemetry propagators connect distributed traces across services.

Configure NBD on Debian with loopback client and server — export disks, partition, and mount ext3.

Implementing migrations in Go the sane way