← 문제 라이브러리
Linux Beginner LINUX-010 · 15 min

A missing environment variable that fails under cron but works when run manually

A problem for checking which defaults are dropped when the same script runs in a different execution environment.

무료
시나리오

A scenario that narrows down the root cause, centered on checking the difference between the non-interactive execution environment and the manual execution environment, in the situation of a missing environment variable that fails under cron but works when run manually.

먼저 볼 것
  • Identify the primary failure signal in the Execution Context scenario.
  • Separate visible symptoms from the underlying technical dependency.
  • Describe the safest recovery path and the follow-up prevention work.
점검 체크리스트
  1. Summarize the current impact and the last known change.
  2. Collect direct evidence from logs, runtime state, and configuration before changing anything.
  3. Separate immediate recovery from permanent prevention work.
복구와 재발 방지

Choose the smallest safe recovery action first, then record the prevention work that reduces repeat incidents.

같이 보면 좋은 질문
Why do cron and manual runs diverge so often?

Cron provides a much smaller execution context, so PATH, shell behavior, and environment variables can differ dramatically.