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Enhancing SSH Security: A Guide to Setting Up 2FA with Google Authenticator

By admin March 9, 2026

Don't let your server be compromised by a password alone. This guide will show you how to set up a second layer of 'armor' for SSH using your phone with Google Authenticator.

Ubuntu

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

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.

Fedora

Fedora vs Ubuntu: Which Distro Is Right for You

By admin March 6, 2026

A practical DevOps comparison of Fedora and Ubuntu: differences in release lifecycle, package managers, security model, and hardware support. A clear breakdown of each distro's pros and cons to help you choose the right one for your use case.

Ubuntu

Configuring Fail2ban to Protect Your Ubuntu Server from Brute-Force Attacks

By admin March 6, 2026

Fail2ban automatically blocks brute-force IPs targeting SSH, Nginx, and WordPress by reading logs and adding iptables rules. This guide covers installation, practical jail configuration, and common troubleshooting scenarios on Ubuntu 22.04.

VMware

Installing VMware Workstation and Creating Your First VM: A Hands-On Guide

By admin March 6, 2026

A hands-on guide to installing VMware Workstation Pro (free since 2024) and creating your first Ubuntu Server VM — version comparisons, optimal configuration, snapshots, and tips from real-world experience.

Linux

Monitoring Linux System Resources with htop and iotop: A Practical Guide

By admin March 6, 2026

A practical guide to using htop and iotop for monitoring CPU, RAM, and disk I/O on Linux servers. Covers metric interpretation, practical keyboard shortcuts, common bottleneck diagnostic scenarios, and automated monitoring scripts.

Linux

Configuring a Firewall with iptables on Linux: A Production-Ready Script for Web Servers

By admin March 4, 2026

A production-ready iptables script for web servers: chains and tables structure, SSH rate limiting, locking down MySQL and Redis, and how to persist rules across reboots. Includes a tip to avoid locking yourself out during testing.

Ubuntu

Managing Packages with apt on Ubuntu: apt vs apt-get vs dpkg — Which One Should You Use?

By admin March 4, 2026

A comparison of apt, apt-get, dpkg, and snap on Ubuntu — when to use each tool and what their pros and cons are. Includes a practical guide to the most commonly used package management commands on Ubuntu Server and Desktop.

Development

Installing and Using Visual Studio Code on Linux: Real-World Tips & Tricks

By admin March 3, 2026

A detailed guide to installing Visual Studio Code on Ubuntu, Fedora, and Arch Linux — including settings.json configuration, essential extensions, and practical tips to boost your productivity from the very first day.