OPNSense Monitoring with Prometheus, Alloy and Grafana

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In this video, I'll show you how to set up comprehensive monitoring for your OPNSense firewall using Prometheus, Grafana, and Grafana Alloy. We'll collect both basic system metrics and detailed firewall statistics, allowing you to build powerful Grafana dashboards to correlate data and troubleshoot issues effectively.

References:
OPNSense Tutorial: [   • Build your own HomeLab Firewall! // OPNSen...  ](   • Build your own HomeLab Firewall! // OPNSen...  )
Grafana Alloy 2: [   • Grafana Alloy, NEW log + metric collector ...  ](   • Grafana Alloy, NEW log + metric collector ...  )
Grafana Alloy: [   • Central Log Management for Docker + Linux ...  ](   • Central Log Management for Docker + Linux ...  )
Prometheus + Grafana Tutorial: [   • Server Monitoring // Prometheus and Grafan...  ](   • Server Monitoring // Prometheus and Grafan...  )

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Timestamps:

00:00 Introduction
02:06 What’s the plan for today?
05:43 Install the Monitoring Stack
13:46 Install Node Exporter
16:47 Install Alloy
17:58 Configure Alloy Scrape Metrics
23:00 Install API Exporter
26:03 Configure API
28:33 Configure Alloy Scrape API Metrics
30:31 Grafana Dashboards
34:14 Final thoughts

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