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Programming tutorial - IT technology blog

Regex Tutorial: A Practical Guide with Examples and Online Tester

March 21, 2026

Navigate Regular Expressions with confidence. This practical guide covers core concepts, syntax, and real-world examples to solve common text processing problems efficiently.

Security

Mastering Network Defense: Deploying Suricata IDS/IPS on Linux

March 20, 2026

Deploy Suricata IDS/IPS on Linux to safeguard your network from modern cyber threats. This tutorial guides you through installation, configuration, and advanced techniques for effective intrusion detection and prevention, ensuring robust network security.

Linux

Linux Security Hardening with SELinux: A Deep Dive from Basics to Advanced Policies

March 20, 2026

SELinux offers robust Linux security, but its complexity demands a careful approach. This tutorial covers comparing security models, pros and cons after production use, recommended setup, and a detailed implementation guide for basic to advanced SELinux configuration.

Programming

AI-Assisted Coding: GitHub Copilot, Cursor, and Claude Code – A Real-World Comparison

March 20, 2026

Dive into the world of AI-assisted coding with a real-world comparison of GitHub Copilot, Cursor, and leveraging Claude for development. This guide covers their unique strengths, weaknesses, and offers a recommended setup to supercharge your coding workflow.

Security

Boost Your Defenses: Security Monitoring with Wazuh (OSSEC Fork)

March 19, 2026

Secure your infrastructure with Wazuh, an open-source platform for security monitoring. This tutorial covers quick setup, a deep dive into features like FIM and log analysis, and advanced tips for customization and automation.

Security

Shadow AI: The Hidden Perils of Unsanctioned AI Tool Usage in Organizations

March 19, 2026

Shadow AI poses significant, unmanaged risks to organizations, from severe data leakage to critical compliance violations. Implementing clear policies, robust technical controls, and providing secure approved alternatives are crucial steps to manage the unauthorized use of AI tools and protect your sensitive information.

Boost Efficiency: AI-Powered CLI Tools for DevOps & SysAdmin Workflows

March 19, 2026

Explore how AI-powered command-line interface tools are revolutionizing DevOps and SysAdmin workflows. This tutorial covers practical applications, from natural language command generation to AI-assisted log analysis and script development, highlighting tangible benefits for efficiency and problem-solving in the real world.

Linux

Mastering Systemd Timers on Linux: The Modern Cron Replacement You Need

March 19, 2026

It's time to move beyond traditional Cron jobs. Systemd Timers offer a more powerful and integrated solution for Linux task scheduling. This guide will walk you through migrating your scheduled tasks, showcasing systemd's capabilities for superior logging, dependency management, and enhanced system efficiency.

HomeLab

Centralized Logging for Your HomeLab: Monitor Everything with Grafana Loki

March 19, 2026

Discover how a centralized logging system, specifically Grafana Loki, transformed my HomeLab monitoring from a chaotic hunt to a clear overview. This tutorial guides you through setting up Loki, Promtail, and Grafana using Docker Compose to efficiently collect and analyze logs, enhancing troubleshooting and proactive issue detection with minimal resource overhead.

Microsoft Copilot in Office 365: Supercharging IT Productivity with Integrated AI

March 19, 2026

Microsoft Copilot deeply integrates AI into Office 365, tackling key IT productivity challenges. This powerful assistant streamlines documentation, data analysis, and communication across Word, Excel, PowerPoint, Outlook, and Teams.

Deploy Immich on Docker: Self-Hosted Photo and Video Backup for Your HomeLab

Setting Up a Squid Proxy Server on Linux: Access Control, Content Filtering, and Bandwidth Caching

Building Professional CLI Tools with Python Click and Rich: From Simple Script to Polished Command-Line App

Clean Architecture in Go: Build Maintainable and Scalable Go Applications

Managing Database Transactions in SQL: Ensuring Data Consistency and Integrity

Extract and Process PDF Tables with Docling for RAG Systems

AI-Powered Test Automation: Building Resilient Playwright Scripts with LLMs

Build Your Own Private CA with Step-ca: Stop Ignoring SSL Warnings in Your HomeLab

Policy as Code on Kubernetes with Kyverno: Automate Config and Security Checks

Infrastructure as Code with Pulumi and TypeScript: Manage Cloud Resources Like Real Code

Regex Tutorial: A Practical Guide with Examples and Online Tester

Mastering Network Defense: Deploying Suricata IDS/IPS on Linux

Linux Security Hardening with SELinux: A Deep Dive from Basics to Advanced Policies

AI-Assisted Coding: GitHub Copilot, Cursor, and Claude Code – A Real-World Comparison

Boost Your Defenses: Security Monitoring with Wazuh (OSSEC Fork)

Shadow AI: The Hidden Perils of Unsanctioned AI Tool Usage in Organizations

Boost Efficiency: AI-Powered CLI Tools for DevOps & SysAdmin Workflows

Mastering Systemd Timers on Linux: The Modern Cron Replacement You Need

Centralized Logging for Your HomeLab: Monitor Everything with Grafana Loki

Microsoft Copilot in Office 365: Supercharging IT Productivity with Integrated AI