Cron works by hand, fails on schedule: a 7-point debugging checklist
petrusenko_max · x · 2026-11-02
The author's Luma guest-prep job ran fine in a terminal but built 0 attendees under cron. His checklist: run under the scheduler's PATH (env python3 hit Homebrew python), verify interpreter imports (missing cryptography), grep the log for the real error, trace cascade effects, pin the interpreter by path (/usr/bin/python3), move machine settings to env vars ($LUMABRAVEPROFILE), and add a fallback profile. Key lesson: a green terminal run tells you about your shell, not the job.
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