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n8n metrics scrape down

Prometheus job=n8n target 192.168.1.94:5678/metrics is unreachable while node_exporter may still be up.

Checks

  1. ssh n8n-r940 'systemctl status n8n-r940; docker ps'
  2. curl -s http://127.0.0.1:5678/metrics | head
  3. Confirm N8N_METRICS=true in /etc/n8n/env
  4. UFW allows LAN to :5678 (192.168.1.0/24)

Restore

systemctl restart n8n-r940 and confirm metrics endpoint responds.