Ubuntu

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

Oct 21, 2026 • 13 min read

Debian vs Ubuntu Server: Which One Should You Use?

Debian 13 vs Ubuntu Server 26.04 LTS: release cycles, support windows, package versions, install defaults, security, and cloud support compared side by side.

Repository index and software package blocks illustrating apt update, apt upgrade, and apt full-upgrade

Oct 20, 2026 • 7 min read • new

apt update vs apt upgrade vs apt full-upgrade

Compare apt update, apt upgrade, and apt full-upgrade on Ubuntu and Debian. See which command refreshes package lists, installs updates, or can remove packages.

Oct 10, 2026 • 7 min read

exFAT on Linux: Mount and Use exFAT Drives on Ubuntu

Linux reads and writes exFAT through a built-in kernel driver. Mount exFAT USB drives and SD cards on Ubuntu, add an fstab entry, format with exfatprogs, and fix 'unknown filesystem type' errors.

Sep 26, 2026 • 6 min read

Ubuntu Desktop vs Ubuntu Server: Which One Should You Use?

Ubuntu Desktop and Ubuntu Server share the same base but differ in installers, software, resource needs, and workloads. See which edition fits your system.

Shared Ubuntu base branching to a desktop workstation and headless server

Sep 24, 2026 • 10 min read

How to Set a Static IP Address on Ubuntu Server and Desktop

Set a static IP address on Ubuntu with Netplan on servers, nmcli from the command line, or GNOME Settings on the desktop, and test the change safely with netplan try.

Static IP address configuration on Ubuntu

Sep 21, 2026 • 8 min read

Fix the NO_PUBKEY GPG Error on apt update

Fix the apt NO_PUBKEY error on Ubuntu and Debian by installing a verified repository signing key under /etc/apt/keyrings and using signed-by.

APT repository metadata passing through signing key verification

Sep 20, 2026 • 11 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

Sep 19, 2026 • 4 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.

Sep 19, 2026 • 5 min read

How to Install Google Chrome on Ubuntu 26.04

Install Google Chrome on Ubuntu 26.04 from the official .deb package, set it as the default browser, and keep it updated from the Google repository.

Browser window and download icons illustrating Google Chrome installation on Ubuntu 26.04

Sep 18, 2026 • 7 min read

How to Install Java on Ubuntu 24.04

Install Java 25, Java 21, and Oracle JDK on Ubuntu 24.04. This guide covers OpenJDK packages, default Java selection, and JAVA_HOME setup.

Sep 11, 2026 • 6 min read

How To Create a Sudo User on Ubuntu

Create a sudo user with a home directory on Ubuntu 22.04, 24.04, or 26.04 using adduser and usermod, then verify the account has sudo access.

Sep 10, 2026 • 10 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.

Sep 10, 2026 • 7 min read • series

How to Enable SSH on Ubuntu

Enable SSH on Ubuntu by installing OpenSSH Server, checking the correct systemd unit, allowing it through UFW, and connecting from Linux, macOS, or Windows.

Sep 9, 2026 • 8 min read

How to Fix APT and dpkg Lock Errors on Ubuntu and Debian

Resolve APT and dpkg lock errors safely on Ubuntu and Debian by finding the process holding the lock and repairing interrupted package operations.

APT and dpkg package operations waiting at a shared package lock

Aug 26, 2026 • 11 min read

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.

Adding an APT repository on Ubuntu using add-apt-repository

Aug 21, 2026 • 6 min read

Initial Server Setup on Ubuntu 26.04

Prepare a new Ubuntu 26.04 server with a sudo user, SSH key authentication, UFW firewall rules, a hostname, timezone settings, and system updates.

Aug 11, 2026 • 7 min read

How to Install Node.js and npm on Ubuntu 26.04

Install Node.js 24 LTS or the current Node.js 26 release on Ubuntu 26.04 using NodeSource, nvm, or the default Ubuntu packages.

Aug 11, 2026 • 7 min read

How to Install Node.js and npm on Ubuntu 24.04

Install Node.js 24 LTS and npm on Ubuntu 24.04 with apt, the NodeSource repository, or nvm, including upgrade and uninstall steps.

Aug 5, 2026 • 9 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.

Aug 4, 2026 • 6 min read

Install deb Files on Ubuntu: apt, dpkg, and gdebi

Install local .deb files on Ubuntu with apt, dpkg, or gdebi. Fix dependency errors, inspect packages, install via GUI, and remove them safely.