Ubuntu
Ubuntu installation, desktop and server setup, package management, and troubleshooting.
How to Add APT Repository in Ubuntu
Add APT repositories in Ubuntu using add-apt-repository, the signed-by method, and PPA. Includes the DEB822 format used by default on Ubuntu 24.04 and 26.04.
Things to Do After Installing Ubuntu 26.04
A practical checklist for setting up Ubuntu 26.04 after installation, including updates, drivers, codecs, Flatpak, backups, firewall settings, and desktop tweaks.
How to Install Ubuntu 26.04
Step-by-step instructions for installing Ubuntu 26.04 from a bootable USB drive, covering ISO download, installer screens, disk setup, and first boot.
How to Install Node.js and npm on Ubuntu 24.04
Install Node.js and npm on Ubuntu 24.04 using the Ubuntu repository, NodeSource, or nvm, with version checks and uninstall steps.
How to Install VirtualBox on Ubuntu 26.04
Install VirtualBox on Ubuntu 26.04 from the Ubuntu multiverse repository, add the Extension Pack, and fix common kernel module or Secure Boot issues.
How to Install TeamViewer on Ubuntu 26.04
Install TeamViewer on Ubuntu 26.04 with the official .deb package, then launch, update, troubleshoot, or remove it from the command line.
How to Install Google Chrome Web Browser on Ubuntu 26.04
Step-by-step instructions for installing Google Chrome on Ubuntu 26.04 with the official .deb package, plus update, default browser, and uninstall steps.
How to Add Swap Space on Ubuntu
This article explains how to add swap space on Ubuntu by creating, enabling, and persisting a swap file.
How to Change Hostname on Ubuntu
This article explains how to set or change the hostname on Ubuntu without restarting the system, using either the command line or GUI.
How To Set or Change Timezone on Ubuntu
This article describes how to set or change the timezone on Ubuntu using the command line or the desktop settings app.
How to Configure Static IP Address on Ubuntu
This guide explains how to set up a static IP address on Ubuntu servers and desktop systems using Netplan or GNOME Settings.
How to Install Apache on Ubuntu 26.04
This tutorial will guide you through the process of installing and managing the Apache web server on Ubuntu 26.04. You will learn how to install Apache, open HTTP and HTTPS ports in the firewall, and set up virtual hosts.
How to Install Java on Ubuntu 26.04
Learn how to install OpenJDK and Oracle JDK on Ubuntu 26.04. Covers Java 26, 25, and other LTS versions.
How to Install PHP on Ubuntu 26.04
Learn how to install PHP 8.5 on Ubuntu 26.04 with Apache or Nginx. Includes PHP-FPM setup, common extensions, and installing other PHP versions.
How to Install Nginx on Ubuntu 26.04
Install and configure Nginx on Ubuntu 26.04, allow web traffic through the firewall, and manage the Nginx service.
How to Install PostgreSQL on Ubuntu 26.04
Install PostgreSQL 18 on Ubuntu 26.04, create roles and databases, and configure remote access.
How to Install MySQL on Ubuntu 26.04
Installing and securing MySQL 8.4 on Ubuntu 26.04. Covers root authentication, creating users, and enabling remote access.
How to Install Docker on Ubuntu 26.04
Install Docker on Ubuntu 26.04 from the official Docker repository. Covers repository setup, verification, running without sudo, updates, and uninstall steps.
How to Install Node.js and npm on Ubuntu 26.04
Three ways to install Node.js and npm on Ubuntu 26.04: NodeSource repository, nvm, and default Ubuntu packages.
How to Upgrade to Ubuntu 26.04
This guide explains how to upgrade Ubuntu 25.10 to Ubuntu 26.04 LTS today, and when Ubuntu 24.04 LTS systems become eligible for the standard upgrade path.
