Ubuntu – Page 9 – ITFROMZERO

Guide to Installing and Managing LXD Containers on Ubuntu for Lightweight Virtualization

By admin March 27, 2026

LXD is a lightweight virtualization solution that allows you to quickly and resource-efficiently create system containers on Ubuntu. This article will guide you from A to Z on how to install, configure, and manage LXD, including practical tips to maximize this tool, helping you run multiple independent environments without excessive resource consumption.

Ubuntu

Optimizing Ubuntu Application Management with Snap and Flatpak: Practical Experience from ITFromZero

By admin March 24, 2026

With the advent of Snap and Flatpak, Linux application management, especially on Ubuntu, has become much richer. This article guides you through installing, removing, and updating applications using these two technologies, helping you optimize your workflow and leverage their benefits.

Security

Installing and Configuring CrowdSec on Ubuntu: A New Generation Community Server Protection Solution

By admin March 19, 2026

Protecting servers from cyberattacks is a top priority. CrowdSec offers a novel, community-based approach to detect and prevent threats. This article guides you through installing and configuring CrowdSec on Ubuntu.

MySQL

Install and Configure MySQL 8 on Ubuntu: A Detailed A-Z Guide

By admin March 19, 2026

Looking to install and configure MySQL 8 on Ubuntu? This article provides a detailed step-by-step guide to setting up a powerful and secure database server, along with practical experience for performance optimization.

Ubuntu

Installing and Configuring Squid Proxy Server on Ubuntu: Effective Internet Access Control

By admin March 11, 2026

In an enterprise environment, internet access control is essential. This article shares practical experience on installing and configuring Squid Proxy on Ubuntu. This solution helps you manage bandwidth, block unwanted websites, and enhance network security, based on the success of the DevOps team.

Security

A Guide to Configuring AppArmor on Ubuntu: Restricting Process Permissions to Secure Your Server

By admin March 9, 2026

Many admins focus only on firewalls and SSH, forgetting the danger posed by the running applications themselves. This article shares real-world experience on how to use AppArmor on Ubuntu to 'jail' processes, limit their permissions, and prevent privilege escalation during an attack.

Security

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.