Practical Linux Tutorials and Command-Line Guides

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

Featured Articles

Oct 16, 2026 • 11 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.

Mar 12, 2026 • 8 min read

Bash read Command

The Bash read command reads a line from standard input and splits it into variables. This guide covers IFS, prompts, silent input, timeouts, arrays, file reading, and practical script examples.

GZ file icon beside the text unzip .gz file on a yellow background

Jul 17, 2026 • 4 min read

How to Unzip a .gz File in Linux

Unzip a .gz file in Linux with gzip or gunzip, keep the original file when needed, and extract .tar.gz archives with tar.

Linuxize Weekly Newsletter

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

Latest Articles

View all articles

Oct 23, 2026 • 5 min read

How to Check the Kernel Version in Linux

Run uname -r to print the running Linux kernel version. This guide also covers hostnamectl, /proc/version, listing installed kernels, and spotting a pending reboot.

Check the Linux kernel version from the command line

Oct 23, 2026 • 12 min read • new

How to Install Pi-hole on Ubuntu: Network-Wide Ad Blocker

Install Pi-hole on Ubuntu, configure your router or clients to use it for DNS, and verify ad blocking. Includes Pi-hole v6 setup and troubleshooting.

Pi-hole filtering unwanted DNS requests before they reach devices on a home network

Oct 23, 2026 • 11 min read

locate Command in Linux: Find Files Quickly

The locate command finds files by name in a fraction of a second by searching a prebuilt index. Covers plocate, updatedb, exact name matches, and regex.

Terminal showing locate command search results for files in Linux

Oct 22, 2026 • 8 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.

Oct 22, 2026 • 6 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.

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.

Oct 21, 2026 • 6 min read • new

Debian Versions: Release History, Codenames, and Support Dates

Debian versions from Buzz to Trixie, with release dates, codenames, and support timelines. Compare stable, testing, unstable, LTS, and paid ELTS coverage.

Archive dividers labeled with Debian versions 11, 12, 13, and 14, with version 13 highlighted in teal

Oct 21, 2026 • 9 min read • series

How to Compare Strings in Bash

Bash string comparison using equal, not equal, regex, and pattern matching operators. Includes examples for empty strings, case-insensitive matching, and substrings.

Oct 20, 2026 • 10 min read • series

SSH SOCKS Proxy: Create a SOCKS5 Tunnel for Browsing

Create an SSH SOCKS proxy with a SOCKS5 tunnel, configure Firefox or Chrome to use it, proxy DNS requests, and verify the browser exits through your SSH server.

Set up SSH SOCKS Tunnel for Private Browsing

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.