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Ubuntu

Ubuntu tutorial - IT technology blog
Posted inUbuntu

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

Posted by 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.
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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 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.
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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 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.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

Installing LAMP Stack on Ubuntu 22.04 — A Step-by-Step Guide for Beginners

Posted by By admin March 3, 2026
A step-by-step guide to installing LAMP Stack (Apache, MySQL, PHP) on Ubuntu 22.04, including Virtual Host configuration, creating a secure database user, and verifying the full stack end-to-end. Perfect for developers who are new to deploying PHP applications on a server.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

Installing and Configuring Samba on Ubuntu: File Sharing with Windows

Posted by By admin March 1, 2026
A practical guide to installing and configuring Samba on Ubuntu 22.04 for sharing files with Windows machines on a local network. Covers smb.conf configuration, user creation, directory permissions, firewall setup, and connection monitoring.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

Installing Free Let’s Encrypt SSL on Ubuntu with Certbot: From Real Errors to Auto-Renewal

Posted by By admin February 28, 2026
A cert expiring at 2am — a nightmare I've lived through. This guide covers everything: installing certbot via snap (the official method since 2021), fixing the most common errors, and setting up a deploy hook so nginx auto-reloads after renewal. Never get caught off guard by an expired cert again.
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Ubuntu tutorial - IT technology blog
Posted inUbuntu

Things to Do After Installing Ubuntu Server 22.04 to Avoid 2 AM Disasters

Posted by By admin February 28, 2026
A practical checklist of what to do right after installing Ubuntu Server 22.04: secure SSH with key-based authentication, enable UFW firewall, create a swap file, configure timezone, and set up Fail2ban — all distilled from real-world production incident experience.
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