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Field Guides Academy

OSS env drift, ghost vars, today's truth

A reference library for OSS tooling environment variables that drift between releases. Not a course path — a verification desk you bring back to when 'why doesn't this work?' shows up.

REFERENCE

Field Guides Academy is the second guide-academy under C.W.K. Quests, sister to Prompt Academy. Same renderer, different domain: tooling reference rather than model prompting. Each guide is a dated snapshot of what a fast-moving OSS project actually reads — and the verification habits that outlive any specific snapshot.

REFERENCE

Ollama Environment Variables

Ollama project · ggml library · field-verified on Apple Silicon

Version drift, ghost vars, the 25 variables Ollama actually reads, and the verification habit that survives every release. Snapshot of v0.20.7 (2026-04-17).

Dated snapshot — when something here stops working, trust ollama serve's startup dump over this guide.