Ubuntu
Ubuntu installation, desktop and server setup, package management, and troubleshooting.
How to Change User Password in Ubuntu
Change a user password in Ubuntu from the command line with passwd, or through the GNOME Settings app. Covers your own account and other users.
How to Check Your Ubuntu Version
Check which Ubuntu version you are running with lsb_release, /etc/os-release, or hostnamectl, plus a current release list up to Ubuntu 26.04 LTS.
How to Install Claude Code on Ubuntu and Linux
Install Claude Code on Ubuntu, Debian, and other Linux distributions using the recommended native installer, official package-manager repositories, or npm.
How to Install NVIDIA CUDA Toolkit on Ubuntu 26.04
Install the NVIDIA CUDA Toolkit on Ubuntu 26.04 from the Ubuntu archive or NVIDIA repository, then verify the driver, nvcc compiler, and CUDA sample output.
How to Install Caddy on Ubuntu 26.04
Install Caddy on Ubuntu 26.04 from the official repository, then configure automatic HTTPS, static sites, reverse proxying, systemd, and logs.
pip vs apt: Installing Python Packages on Linux
This guide explains when to use pip or apt for Python packages on Ubuntu and Debian, why sudo pip install is risky, and where virtual environments fit.
How to Install Python Pip on Ubuntu
Install pip on Ubuntu with a single apt command. Covers python3-pip setup, virtual environments, and common pip commands for managing Python packages.
How to Change Root Password in Ubuntu Linux
Set or change the root password on Ubuntu using sudo passwd, switch to the root account, and understand why root login is disabled by default.
How to Deploy a Node.js Application on Ubuntu 26.04
Deploy a Node.js application on Ubuntu 26.04 using PM2 as the process manager and Nginx as a reverse proxy, with a Let's Encrypt TLS certificate.
How to Install Ansible on Ubuntu 26.04 and Write Your First Playbook
Step-by-step instructions for installing Ansible on Ubuntu 26.04, configuring an inventory, and running your first playbook against remote hosts over SSH.
How to Install and Use Zsh on Ubuntu
Install Zsh on Ubuntu, set it as the default shell, configure ~/.zshrc, and add Oh My Zsh themes and plugins for daily terminal work.
How to Install Podman on Ubuntu: Rootless Container Alternative to Docker
Step-by-step instructions for installing Podman on Ubuntu, running rootless containers, building images with Buildah, and switching from Docker.
How to Install LEMP Stack on Ubuntu 26.04
Set up a LEMP stack on Ubuntu 26.04 with Nginx, MySQL 8.4, PHP 8.5, PHP-FPM, and a working PHP database test.
How to Install LAMP Stack on Ubuntu 26.04
Install Apache, MySQL 8.4, and PHP 8.5 on Ubuntu 26.04, configure an Apache virtual host, and test PHP database access.
How to Install Python on Ubuntu 26.04
Install Python on Ubuntu 26.04 using the default Ubuntu packages, the deadsnakes PPA for alternate versions, or a source build. Includes pip and virtual environments.
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 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 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.
