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Monitoring tutorial - IT technology blog

A Practical Guide to Monitoring PgBouncer Connection Pooler with Prometheus and Grafana

By IT From Zero October 14, 2026

Hands-on experience monitoring PgBouncer with Prometheus and Grafana. Learn how to track waiting queries, measure pool saturation, and craft alert rules that eliminate alert fatigue in production.

Monitoring

Monitoring Pi-hole DNS Server with Prometheus and Grafana: Track DNS Query Traffic, Ad Blocking Rates, and Top Clients

By IT From Zero October 10, 2026

Transform Pi-hole into a network security monitoring station with Prometheus and Grafana. Step-by-step setup for pihole-exporter, battle-tested PromQL queries, and practical alerting strategies to eliminate false alarms.

Fedora

Installing Prometheus, Grafana, and Node Exporter on Fedora Server: A Production-Ready Monitoring Stack

By IT From Zero October 7, 2026

Step-by-step setup of the Prometheus, Grafana, and Node Exporter monitoring stack on Fedora Server. Includes standard config files, firewall setup, and dashboard ID 1860 for intuitive server resource tracking.

Ubuntu

How to Install and Configure Prometheus with Grafana on Ubuntu Server

By IT From Zero October 4, 2026

A hands-on guide to installing and configuring Prometheus, Node Exporter, and Grafana on Ubuntu Server for accurate, continuous hardware monitoring.

Monitoring

Guide to Monitoring Self-Hosted GitHub Actions Runners with Prometheus and Grafana: Track Runner Health, Job Queue, and Build Duration

By IT From Zero October 2, 2026

Running self-hosted GitHub Actions runners without monitoring leaves CI/CD teams vulnerable to unexpected crashes and clogged job queues. This guide covers a comprehensive monitoring solution for runner infrastructure, job queues, and build duration using Prometheus and Grafana.

Monitoring

Monitoring Memcached with Prometheus & Grafana: Decoding the ‘Blind Spots’ Overloading Your Database

By IT From Zero September 18, 2026

Is your system slow because of Memcached or the Database? Learn how to use Prometheus Memcached Exporter and Grafana to track Hit Rate, Evictions, and Memory Usage effectively.

Monitoring

Installing Prometheus SNMP Exporter: Professional Tips for Monitoring Switches and Routers

By IT From Zero September 8, 2026

Don't let network devices remain 'black boxes'. Here is a detailed guide on using Prometheus SNMP Exporter to monitor bandwidth, port errors, and Switch/Router status in real-time.

Monitoring

Celery Worker Monitoring: From ‘Flying Blind’ to Total Control with Flower and Prometheus

By IT From Zero September 1, 2026

Don't let Celery Workers become a 'black box'. A detailed guide on combining Flower, Prometheus, and Grafana to monitor tasks, detect queue bottlenecks, and automate alerts.

Monitoring

Mastering OpenAI/Claude Costs and Rate Limits with Prometheus & Grafana

By IT From Zero August 18, 2026

Don't let API bills surprise you. Here's a detailed guide on using Prometheus and Grafana to monitor OpenAI/Claude rate limits and costs in real-time.

Monitoring

Mastering WireGuard VPN: Monitoring Bandwidth and Connectivity with Prometheus

By IT From Zero August 7, 2026

Forget manual SSH. This guide helps you professionally monitor WireGuard VPN using Prometheus and Grafana, tracking detailed per-user traffic in real-time.