ubuntu 22.04 Archives - ITFROMZERO

Btrfs + Snapper on Ubuntu: Configure Automatic Snapshots and Instant Rollback When Your System Breaks

By IT From Zero October 8, 2026

Btrfs snapshots combined with Snapper are the most effective way to protect your Ubuntu Server — automatically snapshotting before every apt run and rolling back from GRUB even when the system won't boot. This article compares it against rsync and Timeshift, walks through a step-by-step installation, and covers real-world recovery scenarios.

Ubuntu

Build Your Own Mail Server with iRedMail on Ubuntu 22.04: No More Workspace Fees

By IT From Zero July 21, 2026

Build a professional Mail Server with iRedMail on Ubuntu 22.04. Detailed guide on configuring DNS, DKIM, DMARC, and SSL to ensure your emails reach the inbox.

Ubuntu

Deploying Node.js on Ubuntu 22.04: From “Testing” to Production-ready with PM2 & Nginx

By IT From Zero July 20, 2026

Detailed guide on deploying Node.js to Ubuntu 22.04 for production. Use PM2 Cluster Mode for CPU optimization, Nginx as a Reverse Proxy, and free SSL with Certbot.

Ubuntu

How to Install OpenLDAP on Ubuntu 22.04: Manage 1,000+ Users Centrally

By IT From Zero July 17, 2026

Managing hundreds of users across multiple servers has never been easier. This Ubuntu 22.04 OpenLDAP guide helps you build a DevOps-standard centralized authentication system.

Virtualization

OpenNebula: The ‘Lifesaver’ for Centralized KVM and VMware Management in Private Cloud Systems

By IT From Zero July 5, 2026

Discover how to build a Private Cloud with OpenNebula. A detailed guide to installing on Ubuntu 22.04 for centralized KVM and VMware management to optimize enterprise IT infrastructure.

Ubuntu

Installing and Using Nala on Ubuntu: A Package Manager with a Clean Interface, Parallel Downloads, and Better Performance Than APT

By IT From Zero June 2, 2026

Nala is a modern APT front-end for Ubuntu that provides a clean interface, parallel package downloads, and install history rollback. This guide covers installation, fetching the fastest mirrors, and integrating Nala into your daily server administration workflow.

Ubuntu

Installing PostgreSQL on Ubuntu 22.04: From Zero to Production Deployment

By IT From Zero March 29, 2026

Learn how to professionally install and configure PostgreSQL on Ubuntu 22.04. A guide to creating users, securing remote connections, and managing disk space effectively.

Linux

Customizing Kernel Parameters with sysctl on Linux: Optimizing Server Performance and Security

By IT From Zero March 22, 2026

Adjusting kernel parameters with sysctl is a powerful technique to optimize Linux server performance and enhance security. From a late-night troubleshooting experience, I realized that understanding kernel behavior and knowing how to fine-tune it can save a system in the most critical situations. This is an indispensable skill for any IT engineer managing Linux production systems.

Ubuntu

Setting Up and Configuring Postfix as a Mail Server on Ubuntu 22.04: A Detailed Guide

By IT From Zero March 17, 2026

Don't want your server "silent" in the middle of the night? This article guides you on how to set up Postfix as a mail server on Ubuntu 22.04 so you'll never again face a system error situation where no one receives email notifications.

Development

Complete Guide to Installing and Configuring Apache2 on Ubuntu 22.04

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.