Debian

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

Sep 11, 2026 • 8 min read

How to Add and Delete Users on Debian 13

Create, delete, and lock user accounts on Debian 13 using adduser, deluser, and usermod, with practical examples for each command.

Sep 11, 2026 • 6 min read

How to Create a sudo User on Debian

Create a sudo user on Debian 11, 12, and 13 by adding a new account and granting sudo privileges through the sudo group or the sudoers file.

Sep 10, 2026 • 7 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.

Sep 9, 2026 • 8 min read • new

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

Sep 1, 2026 • 9 min read

How to List Installed Packages on Debian with apt and dpkg

See what is installed on Debian, which packages you chose yourself, which use the most disk space, and when each one arrived, using apt and dpkg-query.

List Installed Packages with apt and dpkg on Debian

Aug 18, 2026 • 5 min read

How to Check Your Debian Version: Commands and Release List

Debian 13 (trixie) is the current stable release. Check your version with /etc/os-release, lsb_release, or hostnamectl, plus codenames and support dates.

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.

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.

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

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

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 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.