Monitoring performance with Prometheus and Grafana
Learn how to use Prometheus metrics and Grafana dashboards for real-time performance monitoring of your server. In this step-by-step guide, we walk you through setting up Prometheus metrics collection and connecting them to Grafana dashboards for full visibility into CPU usage, memory, disk I/O, and more.
You'll see how to install Prometheus and Node Exporter, configure the data scraping, and build your own performance monitoring dashboards in Grafana. Plus, we’ll show you how to set up an alerting setup so you're notified of spikes or issues before they become critical.
Whether you're running a personal VPS or managing a production server, this guide will help you gain deeper insights and improve stability.
🔧 Tools covered: Prometheus, Node Exporter, Grafana
📊 Dashboard tip: Use Grafana dashboard ID 1860 for system metrics
💡 Bonus: Set up alerting to stay proactive
🕐 Timeline:
0:00 - 0:30 Intro & Why monitor server performance
0:30 - 0:54 What are Prometheus & Grafana?
0:54 - 1:12 Installing Prometheus & Node Exporter
1:12 - 1:31 Configuring Prometheus for metrics collection
1:31 - 2:02 Installing Grafana & setting up dashboards
2:02 - 2:16 Adding alerts for CPU, memory, etc.
2:16 - 2:30 Final recap & monitoring best practices
2:30 - 2:46 Conclusion
Key Topics Covered:
What Prometheus and Grafana are and how they work together
How to install Prometheus and Node Exporter for metric collection
How to configure Prometheus to scrape metrics from Node Exporter
How to set up Grafana and connect it to Prometheus
Using Grafana dashboards (e.g., dashboard ID 1860) for system monitoring
Setting up alerts in Grafana to detect issues like high CPU or low memory
Important Notes:
Prometheus + Grafana = real-time insight: Use them together for full visibility into server performance
Node Exporter is essential: It collects vital metrics like CPU, RAM, and disk usage for Prometheus
Use dashboard ID 1860 in Grafana: A great ready-made system monitoring dashboard to start with
Set up alerting in Grafana: Get notified when something goes wrong, like CPU spikes or memory issues
Keep Prometheus configuration updated: Always verify scrape targets after adding Node Exporter
Grafana supports customization: Tailor dashboards to your server setup and monitoring needs
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