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A systemd service fails to start and the log shows 'Permission denied' errors. Which is the best first step to fix this?

medium📝 Debug Q7 of 15
Linux CLI - System Administration
A systemd service fails to start and the log shows 'Permission denied' errors. Which is the best first step to fix this?
ADisable the service permanently
BCheck and correct the service file permissions and SELinux context
CReinstall systemd package
DRestart the entire system immediately
Step-by-Step Solution
Solution:

  1. Step 1: Understand 'Permission denied' cause

    This usually means the service file or related files have wrong permissions or security contexts.

  2. Step 2: Evaluate corrective actions

    Fixing permissions or SELinux context is the proper fix. Reinstalling systemd or disabling service is unrelated. Restarting system is premature.

  3. Final Answer:

    Check and correct the service file permissions and SELinux context -> Option B

  4. Quick Check:

    Permission errors need file permission fixes first [OK]
Quick Trick: Fix permissions and SELinux before drastic actions [OK]
Common Mistakes:
  • Reinstalling systemd unnecessarily
  • Disabling service without troubleshooting
  • Restarting system without cause

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