Debian

Debian installation, package management, server configuration, and administration.

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.

Jul 31, 2026 • 10 min read

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.

Program paths converging through an update-alternatives selector to one default command

Jul 27, 2026 • 6 min read

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.

Jul 10, 2026 • 10 min read

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.

Jul 10, 2026 • 6 min read

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.

Jun 21, 2026 • 5 min read

How to Install pip on Debian 11, 12, and 13

Step-by-step instructions for installing pip3 on Debian 11, 12, and 13 using apt, with examples for installing, upgrading, and removing Python packages.

Install Python pip on Debian 11, 12, and 13

Jun 10, 2026 • 6 min read

How to Add User to Sudoers in Debian

Grant sudo privileges in Debian by adding a user to the sudo group or configuring a custom sudoers rule with visudo. Covers Debian 12 and 13.

May 27, 2026 • 6 min read

How to List Installed Packages on Debian

List installed packages on Debian with apt, dpkg-query, and apt-mark. Includes filtering, installed versions, manual packages, package counts, export lists, and restore commands.

List Installed Packages with apt and dpkg on Debian

May 20, 2026 • 4 min read

How to Check Your Debian Linux Version

Find which Debian version is installed on your system using the command line. Covers lsb_release, /etc/os-release, hostnamectl, and other methods.

May 20, 2026 • 5 min read

How to Install Nginx on Debian 13

Step-by-step instructions for installing and configuring Nginx on Debian 13 Trixie using apt, including UFW rules, the systemd service, and your first server block.

May 10, 2026 • 7 min read

How to Add and Delete Users on Debian 13

Learn how to add, delete, and manage users on Debian 13 using adduser, deluser, and usermod commands with practical examples.

May 5, 2026 • 7 min read

How to Install Docker on Debian 13 (Trixie)

Install Docker on Debian 13 from the official Docker repo. Set up the apt keyring, install Engine and Compose plugin, and fix common errors.

Apr 14, 2026 • 5 min read

How to List Installed Packages on Ubuntu

List, filter, and export installed packages on Ubuntu with apt and dpkg, including how to find package details, manually installed packages, and install history.

List Installed Packages with apt and dpkg on Ubuntu

Apr 3, 2026 • 4 min read

How to Upgrade Debian 12 to Debian 13 Trixie

Step-by-step instructions for upgrading Debian 12 Bookworm to Debian 13 Trixie, including sources.list changes, package upgrades, and post-upgrade verification.