Handling missing and empty logs safely | LinuC Level 1 102 Exam original practice question

1.09.2Basic

Do not report an error when a log is missing, and skip rotation when it exists but is empty.

Which directive combination is appropriate?

Hint 1: Focus on journal storage

Separate persistent storage, runtime-only storage, automatic selection, and disabled storage behavior.

Hint 2: Key terms

Review the short definitions of journal storage, persistence, rotation, and runtime behavior involved.

missingok: The directive that continues without an error when a log is absent.
nomissingok: The directive that keeps the normal missing-file error behavior.
notifempty: The directive that skips rotation when the log is empty.
ifempty: The directive that allows rotation of an empty log.

Detailed explanation

Incorrectnomissingok / ifempty

Incorrect. nomissingok treats missing files as errors and ifempty rotates empty files.

Incorrectmissingok / ifempty

Incorrect. ifempty still rotates an empty file.

Incorrectnomissingok / notifempty

Incorrect. It still errors when the file is missing.

Correctmissingok / notifempty

Correct. It allows absence and skips empty logs.

An example you can run in a temporary verification environment.

printf '%s
' missingok notifempty

missingokとnotifempty

Foundation review

Metadata that classifies a message source and its severity.

Whether systemd journal data survives a reboot and where it is stored.

A process that retains, renames, compresses, or removes log generations.

Question IDKL-102-1105

Environmentprintf / ログ変更なし

Last technical review2026-08-13

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