Practical Linux Tutorials and Command-Line Guides

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

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Mar 26, 2026 • 2 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.

Mar 31, 2026 • 7 min read

How to Use Nano, the Linux Command Line Text Editor

Learn the essential nano commands and keyboard shortcuts: open, save, and exit files, search and replace text, copy and paste, and use sudo nano to edit system files.

Apr 3, 2026 • 8 min read

Bash if...else Statement

A complete guide to Bash if, if...else, and if...elif...else statements with practical examples, test operators, and one-line syntax.

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

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Jun 10, 2026 • 4 min read

Linux Time Command

This guide shows how to use the Linux time command to measure execution time, explains real/user/sys, and covers Bash, Zsh, and GNU time.

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.

Jun 10, 2026 • 8 min read • new

How to Deploy a Node.js Application on Ubuntu 26.04

Deploy a Node.js application on Ubuntu 26.04 using PM2 as the process manager and Nginx as a reverse proxy, with a Let's Encrypt TLS certificate.

Node.js application deployment flow through PM2, Nginx, and HTTPS on Ubuntu 26.04

Jun 9, 2026 • 5 min read • new • series

Bash Array Operations: Length, Search, Slice, and Reverse

Practical Bash array operations for checking length, finding values, slicing, reversing, iterating, appending, prepending, and removing elements.

Bash array operations shown as connected length, search, slice, and reverse cards

Jun 8, 2026 • 7 min read • new

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

Jun 7, 2026 • 5 min read

Cron Every 5 Minutes: 5, 10, and 15-Minute Crontab Examples

Run cron every 5 minutes with */5 * * * *. This guide also covers 10 and 15-minute crontab expressions, testing, logging, and overlap prevention.

Jun 7, 2026 • 8 min read • new

How to Install Ansible on Ubuntu 26.04 and Write Your First Playbook

Step-by-step instructions for installing Ansible on Ubuntu 26.04, configuring an inventory, and running your first playbook against remote hosts over SSH.

Ansible installation and first playbook on Ubuntu 26.04

Jun 7, 2026 • 8 min read

ls Command in Linux: List Files and Directories

The ls command lists files and directories in Linux. See how to use ls -l, ls -al, hidden-file options, sorting, and other practical combinations.

Jun 6, 2026 • 3 min read

How to Set Up Automatic Kernel Updates on Linux

Set up automatic, rebootless Linux kernel updates with live patching from Canonical Livepatch (Ubuntu Pro), and learn when unattended upgrades are enough.

Jun 6, 2026 • 9 min read

How to Fix the WordPress White Screen of Death

Troubleshoot the WordPress White Screen of Death by using Recovery Mode, disabling plugins and themes, checking PHP errors, raising memory limits, and restoring access.