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LFCS Tutorials

LFCS tutorials emphasize practical Linux administration and exam-style tasks. Topics span essential shell usage, users and permissions, systemd services, storage, networking, and troubleshooting. Free labs and guided examples help you practice in a safe environment before attempting mock exams and the live performance-based LFCS exam.

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Online OpenClaw Playground

Online OpenClaw Playground

LabEx provides an Online OpenClaw Playground, an open-source autonomous AI agent framework designed for local-first execution with multi-channel messaging support.
Linux
Online OpenCode Playground

Online OpenCode Playground

LabEx provides an Online OpenCode Playground, an agentic AI coding environment designed for a command-line-oriented workflow, allowing you to plan, implement, and refactor code autonomously.
Linux
Online Codex Playground

Online Codex Playground

LabEx provides an Online Codex Playground, a comprehensive AI agent ecosystem by OpenAI designed for agentic coding and end-to-end software engineering tasks.
Linux
Online Claude Code Playground

Online Claude Code Playground

LabEx provides an Online Claude Code Playground, an agentic AI tool by Anthropic designed to automate software engineering tasks directly within your playground and cloud sandboxes.
Linux
Basic Arithmetic Operations in C

Basic Arithmetic Operations in C

Learn fundamental arithmetic operations in C programming, including variable declaration, addition, subtraction, multiplication, division, and result printing.
CLinux
Create a Rectangle Area Calculator in C

Create a Rectangle Area Calculator in C

Learn how to create a C program that calculates rectangle area using a user-defined function, demonstrating basic programming skills and function implementation.
CLinux
Create "Hello World" In C

Create "Hello World" In C

Learn the fundamentals of C programming by writing and running your first Hello World program, understanding basic syntax and compiler usage.
CLinux
Write Your First C++ Program

Write Your First C++ Program

Learn the basics of C++ programming by creating your first Hello World program, setting up development environment, and understanding fundamental coding concepts.
C++Linux
Attack HTTP Services with Hydra

Attack HTTP Services with Hydra

In this lab, you will learn how to use Hydra to attack HTTP services with basic authentication. You will install a local HTTP server, configure it with basic auth, prepare username and password lists, run a Hydra attack, and analyze the output.
HydraLinux
Install and Verify Hydra

Install and Verify Hydra

In this lab, you will learn how to install Hydra on your system, verify its installation, locate the executable path, run help commands, and test it with a dummy command.
HydraLinux
Manage Projects With Make In C

Manage Projects With Make In C

Learn how to use Makefiles to automate compilation, manage dependencies, and streamline C project build processes efficiently.
CLinux
Attack FTP Services with Hydra

Attack FTP Services with Hydra

In this lab, you will learn how to attack FTP services using Hydra by setting up a local FTP server, configuring test users, preparing attack lists, executing the attack, and reviewing the results.
HydraLinux
Install Nmap on Linux

Install Nmap on Linux

In this lab, you will learn how to install Nmap on a Linux system. You'll update the package list, install Nmap using the apt package manager, verify the installation, and check the installed Nmap version. This hands-on lab provides a practical introduction to using Nmap on Linux.
NmapLinux
Getting Started with Linux

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.
Linux
Brute Force SSH in Hydra

Brute Force SSH in Hydra

In this lab, you will learn how to perform a brute force attack on an SSH server using Hydra. You will install Hydra, set up a target SSH server, prepare username and password lists, run the attack, and analyze the results.
LinuxHydra
Configure Linux Environment Variables

Configure Linux Environment Variables

Learn to create, set, and manage environment variables in a Linux system.
Linux
Attack Telnet Services with Hydra

Attack Telnet Services with Hydra

In this lab, you will learn how to attack Telnet services using Hydra. You will install a local Telnet server, configure test accounts, load username and password files, run a Hydra attack, and analyze the output.
HydraLinux
Create User Input Program in C

Create User Input Program in C

Learn how to read user input in C using scanf() function, working with strings and integers to create an interactive console application.
CLinux
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