ubuntu 22.04 – ITFROMZERO – Share tobe shared!

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

By admin 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 admin 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 admin 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 admin 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 admin 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 admin 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 admin 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 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.

Ubuntu

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

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.

Ubuntu

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

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.