node exporter Archives

HomeLab Monitoring with Prometheus, Grafana, and Node Exporter on Docker: Metrics and Telegram Alerts

October 16, 2026

Build a self-hosted monitoring stack for your HomeLab using Prometheus, Grafana, and Node Exporter on Docker. Learn how to scrape host metrics and deliver automated Telegram alerts for hardware issues.

Networking

Linux Network Performance Monitoring with Prometheus and Grafana: A to Z Guide

April 28, 2026

Learn how to monitor Linux network performance using Prometheus, node_exporter, and Grafana. This guide covers installation, key PromQL queries for TCP retransmits and packet drops, Grafana dashboard setup, and production alerting rules — based on real-world experience tracking down silent network saturation issues.

DevOps

Prometheus + Grafana System Monitoring: A 6-Month Production Review

March 6, 2026

After six months running Prometheus and Grafana in production, here's an honest review of the stack — what works, where it struggles, and a complete setup guide to get you from zero to monitoring in under an hour.