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19 lines
259 B
Markdown
19 lines
259 B
Markdown
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# 16. docs/troubleshooting.md
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```markdown
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# Troubleshooting Guide
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## Prometheus Target Down
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### Symptoms
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Prometheus shows target as DOWN.
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### Checks
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```bash
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ping TARGET_IP
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curl http://TARGET_IP:9100/metrics
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systemctl status prometheus-node-exporter |