Monitoring – Page 2 – ITFROMZERO

Monitoring tutorial - IT technology blog

Prometheus Blackbox Exporter: Monitor HTTP, DNS, TCP and SSL Certificate Expiry

By admin April 21, 2026

Prometheus Blackbox Exporter monitors websites, TCP ports, DNS resolution, and SSL certificates from the end-user's perspective — no agent installation required on each server. This guide covers installation, configuring HTTP/DNS/TCP modules, and setting up SSL expiry alerts integrated with Alertmanager.

Monitoring

smartmontools Guide: Diagnosing Linux Hard Drive Issues Before Your Data Vanishes

By admin April 20, 2026

Don't let your hard drive die in silence. A detailed guide on using smartmontools to diagnose HDD/SSD health on Linux and setting up automated Telegram alerts.

Monitoring

Simplify Linux Server Monitoring with Glances Web Dashboard

By admin April 19, 2026

Forget complex terminal commands. Glances provides a comprehensive Linux monitoring dashboard right in your browser. Fast, lightweight, and highly intuitive.

Monitoring

Website Uptime Monitoring with Uptime Kuma: Stop Worrying About Midnight Server Crashes

By admin April 18, 2026

Stop manual website checks. Learn how to install Uptime Kuma with Docker to monitor uptime, automate SSL checks, and receive Telegram alerts the moment your server goes down.

Monitoring

Mastering Network Infrastructure with LibreNMS: From Bandwidth Monitoring to Automated Telegram Alerts

By admin April 15, 2026

A detailed guide on installing LibreNMS using Docker for network monitoring. Track bandwidth, CPU, RAM, and configure automated Telegram alerts for SysAdmins.

Monitoring

Professional Grafana Dashboard Design: Mastering Panels, Variables, and Annotations

By admin April 13, 2026

Learn practical Grafana Dashboard design from real-world operations. A detailed guide on using dynamic variables, visual panels, and annotations for fast troubleshooting.

Monitoring

Mastering MySQL & PostgreSQL with Prometheus Exporter: Ending the ‘Guessing Game’ of Slow Queries

By admin April 12, 2026

Don't let your database become a 'black box'. A detailed guide on using Prometheus Exporter to identify slow queries, handle replication lag, and optimize DB performance based on real-world experience.

Monitoring

VictoriaMetrics Installation Guide: A Prometheus Alternative Saving 90% Disk Space

By admin April 10, 2026

A detailed guide on installing VictoriaMetrics as a Prometheus alternative. Save 90% disk space, reduce RAM usage, and boost query speeds for large-scale monitoring systems.

Monitoring

Monitoring Windows Server with Prometheus and Windows Exporter: Tracking CPU, RAM, and Services in Detail

By admin April 9, 2026

A guide to installing Windows Exporter, configuring Prometheus scrape targets, and setting up Grafana dashboards to monitor CPU, RAM, disk, and Windows Services on Windows Server — including practical alert rules and tips for avoiding alert fatigue.

Monitoring

Node Exporter: Collecting Linux System Metrics for Prometheus

By admin April 8, 2026

Node Exporter is an essential component of the Prometheus stack, responsible for collecting CPU, RAM, disk, and network metrics from Linux systems. This guide walks through installation, collector configuration, and verifying that Node Exporter is working correctly before connecting it to Prometheus.