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Ubuntu

Development tutorial - IT technology blog
Posted inDevelopment

Complete Guide to Installing and Configuring Apache2 on Ubuntu 22.04

Posted by By IT From Zero 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.
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Fedora tutorial - IT technology blog
Posted inFedora

Fedora vs Ubuntu: Which Distro Is Right for You

Posted by By IT From Zero 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.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

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

Posted by By IT From Zero 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.
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VMware tutorial - IT technology blog
Posted inVMware

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

Posted by By IT From Zero 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.
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Linux tutorial - IT technology blog
Posted inLinux

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

Posted by By IT From Zero 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.
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Linux tutorial - IT technology blog
Posted inLinux

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

Posted by By IT From Zero 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.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

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

Posted by By IT From Zero 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.
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Development tutorial - IT technology blog
Posted inDevelopment

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

Posted by By IT From Zero 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.
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Linux tutorial - IT technology blog
Posted inLinux

Managing Processes with systemd on Linux: Practical Tips from the Trenches

Posted by By IT From Zero March 3, 2026
systemd is the default process manager on modern Linux. This article shares essential commands, how to create custom services, debug failures, and best practices from real-world server operations.
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Linux tutorial - IT technology blog
Posted inLinux

Install and Configure Nginx on Ubuntu 22.04: A Complete Web Server Guide from A to Z

Posted by By IT From Zero March 2, 2026
A step-by-step guide to installing and configuring Nginx on Ubuntu 22.04 with a quick-start structure — from the first command to virtual hosts, reverse proxy, and HTTPS. Includes practical tips on performance tuning, rate limiting, and zero-downtime reloads in production.
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