Ubuntu
Ubuntu installation, desktop and server setup, package management, and troubleshooting.
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.
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.
apt Command in Linux
The apt command manages packages on Ubuntu, Debian, and related distributions. This guide covers the essential commands for installing, upgrading, removing, and searching packages.
How to Set or Change Timezone on Ubuntu Server and Desktop
Check the current time zone on Ubuntu and change it permanently with timedatectl, or switch it from the Date & Time panel on Ubuntu Desktop.
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 Kubernetes with kubeadm on Ubuntu 26.04
Install Kubernetes 1.36 on Ubuntu 26.04 with kubeadm and containerd, configure Flannel networking, join worker nodes, and verify the cluster.
How to Upgrade to Ubuntu 26.04
Upgrade Ubuntu 25.10 or 24.04 LTS to Ubuntu 26.04 Resolute Raccoon, including the early command-line path before the 26.04.1 point release.
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 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.
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.
update-alternatives Command on Ubuntu and Debian
Use update-alternatives on Ubuntu and Debian to list, register, switch, and remove program alternatives, with automatic and manual mode examples.
How to Install Docker on Ubuntu 24.04
Install the latest Docker Engine on Ubuntu 24.04 from Docker's official repository, verify the service, and configure non-root access.
How to Configure Networking with Netplan on Ubuntu
Configure Ubuntu networking with Netplan using practical YAML examples for DHCP, static IP addresses, DNS, Wi-Fi, bridges, and safe remote changes.
How to Enable and Disable Root User Account in Ubuntu
This guide explains how to enable and disable the root user account in Ubuntu using the passwd command, and covers safer alternatives like sudo -i and su -.
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.
Debian vs Ubuntu Server: Which One Should You Use?
Side-by-side comparison of Debian and Ubuntu Server covering release cycles, package freshness, security, cloud support, and ease of setup to help you pick the right one.
apt vs apt-get: The Difference and When to Use Each
apt and apt-get are not the same tool: apt is built for interactive terminal use, apt-get for scripts and automation. Compare their commands and see when to use each.
