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Card 446 of 9992026-08-31 issue

Observed arrival · 2026-08-31

John Coffey — Boring Infrastructure, on Purpose

jcoffey.dev Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A Linux systems engineer’s personal site combines technical writing with self-built open-source infrastructure tools.

Landing page captured for the 2026-08-31 issue.

Field notes

The site organizes a long-running technical archive around a personal infrastructure practice, with 119 articles and a project index rather than a conventional services pitch. Its current focus is ihasmail, which uses JMAP for mail, calendar, contacts, and files and includes an IMMUTABLE=1 mode described as running without a volume or database. A second project, Cairn OBS, combines ClickHouse and Tantivy under one query language for Kubernetes observability.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
HumanPersonal, local, civic, or handmade

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jcoffey.dev

Landing page observed 2026-08-31. The live site may have changed.