Ubuntu

Ubuntu installation, desktop and server setup, package management, and troubleshooting.

pip and apt package manager cards for Python packages on Linux

Jun 20, 2026 • 5 min read

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.

Jun 20, 2026 • 4 min read

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.

Install Ollama on Ubuntu to run large language models locally

Jun 18, 2026 • 7 min read • new

How to Install and Use Ollama on Ubuntu: Run LLMs Locally

Install Ollama on Ubuntu, run large language models locally, manage downloaded models, use GPU acceleration, and send prompts through the local API.

Jun 14, 2026 • 4 min read

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.

Jun 10, 2026 • 8 min read

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.

Node.js application deployment flow through PM2, Nginx, and HTTPS on Ubuntu 26.04

Jun 7, 2026 • 8 min read

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.

Ansible installation and first playbook on Ubuntu 26.04

Jun 1, 2026 • 5 min read

dpkg Command in Linux: Install and Manage Debian Packages

Use dpkg to install, remove, query, and inspect Debian packages on Ubuntu, Debian, and other Debian-based distributions.

dpkg package management cards for installing, querying, and removing deb packages

May 23, 2026 • 6 min read

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.

May 19, 2026 • 7 min read

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.

Installing Podman on Ubuntu for rootless containers

May 15, 2026 • 3 min read

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.

May 12, 2026 • 7 min read

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.

May 12, 2026 • 7 min read

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.

May 11, 2026 • 3 min read

How to Install Google Chrome Web Browser on Ubuntu 24.04

Step-by-step instructions for downloading, installing, updating, and managing Google Chrome on Ubuntu 24.04 using the official .deb package and repository.

May 10, 2026 • 7 min read

How to Add a User to Sudoers in Ubuntu

Grant sudo privileges in Ubuntu by adding a user to the sudo group or editing the sudoers file. Step-by-step examples and common errors.

May 8, 2026 • 9 min read • series

Set up PostfixAdmin on Ubuntu 26.04

Set up PostfixAdmin on Ubuntu 26.04 with Nginx, PHP, MySQL, DNS records, and a Let's Encrypt certificate for a virtual mail server.

PostfixAdmin dashboard illustration with mailboxes and aliases

May 7, 2026 • 7 min read

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.

May 7, 2026 • 7 min read

How to Install Python on Ubuntu 24.04

Install Python on Ubuntu 24.04 using the default Ubuntu packages, the deadsnakes PPA for newer versions, or a source build. Includes pip and virtual environments.