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Integrating Nginx VTS Module with Prometheus and Grafana: Per-Domain Traffic Monitoring

By IT From Zero June 2, 2026

When hosting multiple domains on a single Nginx server, standard system metrics aren't enough to pinpoint which domain is causing an issue. This guide covers compiling the Nginx VTS Module, configuring Prometheus to scrape per-virtual-host metrics, and importing a Grafana dashboard to monitor per-domain traffic in real time.

Monitoring

RabbitMQ Monitoring Mastery: Don’t Wait for a Cluster Crash to Troubleshoot

By IT From Zero June 1, 2026

Learn professional RabbitMQ monitoring with Prometheus and Grafana. This guide covers detailed configuration, key metrics to watch, and setting up automated alerts.

Virtualization

Proxmox + InfluxDB + Grafana: The Secret to Enterprise-Grade VM Monitoring

By IT From Zero June 1, 2026

A guide to integrating Proxmox VE with InfluxDB and Grafana for professional monitoring. Solve metric storage issues and overcome default dashboard limitations.

Monitoring

Monitoring HAProxy with Prometheus & Grafana: Don’t Wait for a Crash to Act

By IT From Zero May 30, 2026

Don't wait for a system crash to start troubleshooting. Professional guide to HAProxy monitoring with Prometheus and Grafana, focusing on 4 golden signals: Backend Health, 5xx Rate, Maxconn, and P99 Latency.

Monitoring

Prometheus Recording Rules and Alerting Rules: Optimize Queries and Build Reliable Alerts for Production

By IT From Zero May 29, 2026

Prometheus Recording Rules speed up Grafana dashboards by pre-computing complex metrics on a schedule. Combined with properly configured Alerting Rules — using the `for` parameter appropriately — you eliminate alert flapping and build a reliable alerting system for production environments.

Monitoring

How to Install and Configure Thanos to Scale Prometheus: Long-Term Metrics Storage and Global View Across Multiple Clusters

By IT From Zero May 29, 2026

Thanos extends Prometheus with long-term metrics storage on S3/MinIO and a global view across multiple clusters in a single dashboard. A step-by-step setup guide using Docker Compose and Kubernetes, with practical operational tips.

Monitoring

Prometheus Process Exporter Guide: Detailed Monitoring of Linux Process Health

By IT From Zero May 19, 2026

A detailed guide on installing Prometheus Process Exporter to monitor CPU, RAM, and I/O of individual Linux processes, helping you pinpoint the exact cause of system overloads.

Monitoring

Redis Monitoring: Don’t Wait for RAM to Exhaust Before Taking Action! (Prometheus + Redis Exporter)

By IT From Zero May 15, 2026

Don't wait until Redis runs out of RAM. Here's a detailed guide on setting up comprehensive monitoring with Prometheus and Redis Exporter to protect your system.

Monitoring

24/7 Internet Bandwidth Monitoring: Holding Your ISP Accountable with Prometheus and Grafana

By IT From Zero May 14, 2026

On a 300Mbps plan but still lagging? Here is a detailed guide on using Speedtest Exporter, Prometheus, and Grafana for 24/7 monitoring, with real-world tips for handling alert fatigue.

Monitoring

Self-hosting Grafana OnCall: Professional On-call Scheduling and Escalation for DevOps Teams

By IT From Zero April 23, 2026

Alerts flooding in at 2 AM but no one knows who's on duty? Discover how to self-host Grafana OnCall to automate schedules and professional incident management.