fieldnotes
Software, systems & small experiments

A notebook for
better systems.

Practical notes on how things work, how to observe them,
and how to make the next change a little clearer.

Latest notes

003 entries
01
Networks

Make a network test answer one question

A practical way to separate reachability, latency, and throughput before changing a system.

10 NOV 2026
2 MIN READ
02
Web

A small checklist for HTTPS

Check the name, the trust chain, and the negotiated protocol as separate parts of one connection.

10 NOV 2026
2 MIN READ
03
Operations

Keep the useful parts of a log

A few deliberate fields make troubleshooting easier without turning logs into a second database.

10 NOV 2026
2 MIN READ

Small tools. Clear purpose.

A timestamp workbench and a plain-text checklist for the moments when a small reference is enough.

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A little less noise.

No feed to keep up with. Just a growing set of useful observations, written to be found again.

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