Field Notes

Field notes from the operator's seat.

Network engineering, automation, and the plumbing of the internet — explained by tracing real systems rather than reciting theory. Written for engineers who like to see the packets.

Networking fundamentals June 2026 ~12 min read

Trace a Website to the Edge of the Internet

Using only dig, curl, and traceroute, follow one web request from a laptop to the machine that answers it — and learn anycast, CDN caching, and BGP by watching real systems work.

Read the article →