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Monitoring tutorial - IT technology blog

Monitoring Postfix Mail Server: From ‘In the Dark’ to System Mastery with Prometheus

By admin August 7, 2026

Stop treating your Mail Server like a 'black box'. Here's a detailed guide on using Prometheus and Postfix Exporter for professional monitoring to prevent queue congestion and blacklisting.

Artificial Intelligence tutorial - IT technology blog

Automating Server Recovery: Building a Self-Healing Linux System with Python and GPT-4o

By admin August 6, 2026

Build a self-healing Linux system with Python and GPT-4o. Automatically analyze logs, diagnose root causes, and execute commands to restore services quickly.

Monitoring

Monitoring Jenkins Pipelines with Prometheus: From ‘Black Box’ to 5-Star Dashboard

By admin August 6, 2026

Learn how to monitor Jenkins Pipelines professionally with Prometheus and Grafana. This article shares practical experience on metrics configuration, endpoint security, and alert optimization to avoid alert fatigue.

Development

Container Queries: When Components “Know Where They Are” Instead of Looking at the Screen

By admin August 6, 2026

It's time to stop relying solely on Media Queries. Container Queries enable components to change their layout based on their actual space, making CSS cleaner and more flexible.

Development

Building Your Own Web Push Notification System with Node.js: ‘Breaking Up’ with Firebase for a Lighter App

By admin August 6, 2026

Stop relying on Firebase! Discover how to build a lightweight Web Push Notification system for Node.js using the web-push library and VAPID protocol.

Installing Microsoft GraphRAG with Ollama: Build Your Own 100% Local Knowledge Graph

By admin August 6, 2026

Discover how to set up Microsoft GraphRAG with Ollama to build a 100% offline Knowledge Graph system. The perfect solution for data security and saving on API costs.

Monitoring

Centralized Windows Server Log Management: Stop Manual Log Checking with Grafana Alloy & Loki

By admin August 5, 2026

Forget manual log checking. This guide helps you push all Windows Event Logs to Grafana Loki using Alloy for centralized monitoring and instant alerts.

Virtualization

Self-Hosting a RustDesk Server: Master Remote Desktop with Blazing-Fast Speed and Absolute Security

By admin August 5, 2026

A detailed guide on self-hosting a RustDesk Server using Docker. The perfect TeamViewer alternative for faster remote control and total data privacy.

Python

Scrapy Python: Building a Million-Record Crawler Without Getting IP Banned

By admin August 5, 2026

Building a million-record crawler with Scrapy Python. A detailed guide from project structure and pipeline optimization to proxy rotation techniques to avoid IP bans.

Python

Automating PDF Reports with ReportLab: A Professional Solution for Developers

By admin August 4, 2026

A detailed guide on using ReportLab in Python to automate PDF generation. Solve font issues, create tables, and design professional vector charts.