Linux CLI - Cron and Scheduling
You created a timer file
cleanup.timer but it never triggers the service. Which is the most likely mistake?You created a timer file cleanup.timer but it never triggers the service. Which is the most likely mistake?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check timer and service file naming
Systemd timers must have matching names with their service files except for the extension.Step 2: Analyze other options
Missing [Timer] section causes syntax errors; service enabling is not required for timers to trigger; both OnBootSec and OnCalendar are valid.Final Answer:
The timer file is not named exactly like the service file -> Option AQuick Check:
Timer and service names must match [OK]
Quick Trick: Timer and service filenames must match except extension [OK]
Common Mistakes:
- Ignoring filename matching between timer and service
- Assuming service must be enabled for timer to run
- Confusing valid timer options as errors
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