Linux Tutorials

Our Linux tutorials offer a systematic way to master the open - source operating system. They cover command - line operations, system administration, and shell scripting, suitable for both beginners and experienced users. With free labs and practical examples, you'll gain hands - on experience in Linux environments. Our interactive Linux playground allows you to practice commands and scripts in a simulated terminal.

Redirecting Input and Output in Linux

In this lab, you will learn to redirect input and output in the Linux shell. You will practice controlling data flow from commands by manipulating standard output (stdout), standard error (stderr), and standard input (stdin) using operators like >, >>, 2>, and the tee command.

Manage Shell Environment and Configuration in Linux

In this lab, you will learn to manage the Linux shell environment. You will create local and environment variables, explore inheritance in child shells, control automatic variable exporting with `set -o allexport`, and make your custom configurations persistent by modifying the `.bashrc` file.

Edit Text Files with the vi Editor in Linux

In this lab, you will learn the fundamental skills to use the vi text editor in Linux. You will practice creating files, entering text in Insert Mode, saving with :w and :wq, navigating with movement keys, searching, deleting words with dw, and quitting without saving using :q!.

How to check if the system is 32-bit or 64-bit in Linux

In this lab, you will learn how to determine if your Linux system is 32-bit or 64-bit using command-line tools like `uname -m` and `arch`. You will execute these commands, interpret their output, and inspect binary files to understand your system's architecture and ensure software compatibility.

Getting Started with Linux

Begin your Linux journey with this interactive lab! Learn essential terminal commands including echo for text output, date and calendar functions, basic calculations using expr, creative text formatting with figlet, and terminal management. Perfect for complete beginners to start their Linux adventure.

Create Personalized Terminal Greeting

Use Linux terminal commands to create an engaging welcome message

How to terminate a Linux screen session

Learn how to manage and navigate Linux screen sessions, including how to detach, list, and reattach to existing sessions for persistent terminal processes.

Learn Nmap Installation and Basic Usage

In this lab, you will learn how to install Nmap, set up a local service for scanning, perform basic Nmap scans, scan multiple ports, and understand different output formats and saving results. Master Nmap for network security and penetration testing.

How to list current Shell options with the set command in Linux

Explore the set command in Linux to view and modify shell options, enabling you to optimize your command-line experience and productivity.

Decrypting Top Secret Document

In this challenge, you will put your cybersecurity skills to the test by decrypting a highly classified document. Uncover hidden information and demonstrate your expertise in cryptography and data security.

How to handle 'no such file or directory' error

Understand Linux file system structure, troubleshoot 'no such file or directory' errors, and prevent them in the future. Practical tips for Linux beginners.

Exploring the Linux Stat Command for Retrieving File Metadata

Discover how to leverage the Linux stat command to retrieve comprehensive file metadata, including file permissions, ownership, timestamps, and more. Enhance your Linux file management skills.

Cracking a Specific User Account

In this challenge, you'll put your cybersecurity skills to the test by attempting to crack a specific user account. This hands-on exercise will provide practical experience in password cracking techniques and security vulnerabilities.

Install Nmap and Perform Port Scanning

In this challenge, you will learn how to install Nmap, a powerful network scanning tool, and perform basic port scanning to identify open ports on a target system. This hands-on exercise will enhance your understanding of network security and Wireshark skills.

How to test server connectivity with curl in Linux

Explore the power of cURL to test server connectivity in your Linux environment. Learn how to use this versatile tool for advanced connectivity testing and troubleshooting.

Learn Nmap Basic Command Syntax

In this lab, you will learn the basic command syntax of Nmap, a powerful network scanning tool. You'll start by understanding Nmap and verifying its installation. Then, you'll set up a test service, perform basic scans, explore the output, and conduct a network-wide scan.

How to enforce password complexity policies in Linux

Explore how to configure and enforce robust password policies in Linux, ensuring the security and integrity of your system. Learn about password complexity requirements, expiration, and maintenance best practices.

How to Use Curl to Access Different Ports

Learn how to use the popular command-line tool Curl to access different ports on your server or network. Discover the versatility of Curl for port-related tasks.

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