Mission 87

Service failure review

Inspect a simulated inactive backup service.

Server operations
8 minutes Admin Lesson 87 of 360
systemctljournalctl
Lesson 87 of 360 0/360 lessons 0/17 missions Server operations · 8 minutes
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learner@clairos:/home/learner $ Unix ops lab: type a command, press Enter
Instructions 8 minutes

Click any instruction for the command details, the why, and the common mistake to avoid.

Check backup service

Run systemctl status backup.

systemctl status backup
Read backup journal

Run journalctl -u backup.

journalctl -u backup
Check active state

Run systemctl is-active backup.

systemctl is-active backup
Lesson support

What to notice while you play.

Objective

Read status, journal, and active state for an inactive service.

Hint

Use backup as the service name.

Why it matters

Good operators gather evidence before declaring an outage.

Common mistakes
  • Assuming inactive always means broken.
  • Skipping service-specific logs.
Reference

Commands in this lesson.

systemctl status <service>

Inspect simulated service status.

journalctl -u <service>

Read simulated service journal entries.