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How to Install Node.js and npm on Ubuntu (2024 Guide)

By admin March 9, 2026

Looking for a professional way to install Node.js and npm on Ubuntu? This article provides a detailed guide on 3 methods: NVM, NodeSource PPA, and the default repository, and also shows you how to use PM2 to manage your applications.

Development

A Beginner’s Guide to CI/CD with GitHub Actions: Automation for Happier Devs

By admin March 9, 2026

Tired of manual deployments and unexpected bugs? This article provides a step-by-step guide to setting up a CI/CD pipeline with GitHub Actions, automating everything from testing to deployment to boost productivity and minimize errors.

Development

Complete Guide to Installing and Configuring Apache2 on Ubuntu 22.04

By admin March 8, 2026

Installing Apache2 on Ubuntu 22.04: virtual hosts, UFW, and SSL with Let's Encrypt. This is the workflow I actually run in production — not a copy from the docs.

Python

Python Automation for Daily Tasks: File Cleanup, Backups, and Automated Notifications

By admin March 8, 2026

Learn how to write Python scripts to automate 3 real-world daily tasks: organizing folders by file type, backing up MySQL with automatic rotation, and monitoring a directory with Telegram notifications. Includes practical lessons on performance when handling large files.

Security

Linux Server Security Audit with Lynis: From Installation to a Hardening Index of 80+

By admin March 8, 2026

Lynis runs directly inside your server and checks over 200 configuration points that remote scanners simply can't see. This guide walks through installation, interpreting results, and fixing real-world warnings — from SSH to kernel hardening — to push your hardening index from 55 up to 80+.

Docker

Docker Volumes: Persistent Data Storage That Survives Container Restarts

By admin March 8, 2026

Lost an entire database at 2 AM because I forgot to use Docker volumes — here's the hard-won lesson and a guide to configuring volumes correctly for production, including backup and monitoring.

Artificial Intelligence tutorial - IT technology blog

Whisper OpenAI: A Practical Guide to Speech-to-Text with Python

By admin March 8, 2026

After six months running Whisper in production, I compare three approaches — Whisper local, Whisper API, and faster-whisper — breaking down the pros and cons, walking through practical Python code, and covering how to handle common issues.

Database

Optimizing PostgreSQL Queries with EXPLAIN ANALYZE: Analyzing and Improving Query Performance

By admin March 8, 2026

Learn how to use EXPLAIN ANALYZE in PostgreSQL to read execution plans, analyze slow queries, and optimize performance with the right indexes. This guide goes from a 5-minute quick start to advanced techniques like covering indexes, composite indexes, and auto_explain.

What is MCP? Understanding Model Context Protocol and How to Integrate It into Your AI Project

By admin March 8, 2026

MCP (Model Context Protocol) is Anthropic's open standard that lets AI models connect directly to your file system, databases, and external tools. This article explains the 3-component architecture, walks through setup with Claude Desktop and the Python SDK, and covers practical security configuration and debugging.

Network

How to Set Up a Load Balancer with HAProxy on Linux

By admin March 8, 2026

A practical guide to configuring HAProxy as a load balancer: from installation and roundrobin/leastconn/source algorithms to HTTP health checks, SSL termination, and zero-downtime server draining. Tips drawn from real production experience.

Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9

Docker Log Management: Prevent Your Disk from Filling Up with Massive Log Files

Save Ubuntu in a Snap with Timeshift: A Guide to Creating Automatic Restore Points

Mastering lshw, dmidecode, and hwinfo: A Deep Dive into Linux Hardware

Is ChatGPT “Swallowing” Your Source Code? How to Build a Secure Proxy Layer for Devs

Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

Docker Context Guide: Managing Multiple Remote Servers via SSH

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux

Docker Multi-Arch: Resolving the ‘exec format error’ on M1/M2 and Cloud ARM

How to Install Node.js and npm on Ubuntu (2024 Guide)

A Beginner’s Guide to CI/CD with GitHub Actions: Automation for Happier Devs

Complete Guide to Installing and Configuring Apache2 on Ubuntu 22.04

Python Automation for Daily Tasks: File Cleanup, Backups, and Automated Notifications

Linux Server Security Audit with Lynis: From Installation to a Hardening Index of 80+

Docker Volumes: Persistent Data Storage That Survives Container Restarts

Whisper OpenAI: A Practical Guide to Speech-to-Text with Python

Optimizing PostgreSQL Queries with EXPLAIN ANALYZE: Analyzing and Improving Query Performance

What is MCP? Understanding Model Context Protocol and How to Integrate It into Your AI Project

How to Set Up a Load Balancer with HAProxy on Linux