Reading the recap: what a green run proves
Read the seven counters of the PLAY RECAP field by field, tell an unreachable host from a failed task and their exit statuses apart, and know the two things a green run never says about the machine.
20 minutesTechnical content last reviewed on 18 Sept 2026
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What this lesson builds
- Describing a machine's state and reading what a run reports
- Saying what an output proves, and what it leaves open
- Working out why a service cannot be reached