Practical Linux Tutorials and Command-Line Guides

Search hundreds of step-by-step tutorials for Bash, Ubuntu, networking, security, and more.

Featured Articles

May 1, 2026 • 7 min read

Netcat (nc) Command in Linux with Examples

Use the Netcat nc command in Linux to scan ports, listen for connections, transfer files, test TCP and UDP services, and set connection timeouts.

Apr 4, 2026 • 6 min read

Bash Functions

How to define and use Bash functions, pass arguments, return values, and apply best practices for writing cleaner and more maintainable scripts.

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.

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A quick weekly roundup of new tutorials, news, and tips.

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Sep 13, 2026 • 6 min read

How to Search in Vim / Vi

Learn how to search in Vim / Vi with forward and backward search, whole-word matching, case sensitivity, search highlighting, and smartcase examples.

Sep 13, 2026 • 12 min read • series

Understanding the /etc/fstab File in Linux

The /etc/fstab file defines how filesystems and storage devices are mounted at boot. This guide explains the fstab format, field meanings, mount options, and how to add new entries safely.

The /etc/fstab file shown as a Linux storage configuration map

Sep 11, 2026 • 13 min read • series

How to Create Users in Linux (useradd Command)

Create user accounts in Linux with useradd: home directories, passwords, groups, shells, UIDs, and expiry dates, plus how useradd compares to adduser.

Create Users in Linux Using the useradd Command

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 11, 2026 • 9 min read

pnpm Command: Install and Manage Node.js Packages

This pnpm command guide covers installation, project setup, dependency management, scripts, lockfiles, npm migration, and workspace filtering.

Managing Node.js packages with pnpm commands in a terminal

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 • 5 min read • series

How to Run Sudo Command Without Password

Configure the sudoers file or a drop-in file in /etc/sudoers.d to let a user or group run sudo commands without a password prompt.

Sep 10, 2026 • 14 min read

How to Install and Use uv: Fast Python Package Manager

Install uv on Ubuntu, Debian, and other Linux distributions, then use it to create projects, add dependencies, manage virtual environments, and install Python versions.