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Labs

Linux Security: Manage File Permissions

In this lab, you’ll practice working with basic file permission management in Linux. By the end of this lab, you’ll understand the basic permission modes, and how to use commands like chmod, chown, and umask.

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Labs

Path Info

Rating
(12 reviews)
Level
Clock icon Beginner
Duration
Clock icon 1h 11m
Published
Clock icon Dec 02, 2024

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Table of Contents

  1. Challenge

    Get Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    List File Permissions

    To start the lab, you will list file and directory permissions on the Linux (Ubuntu) box within your lab environment.

  3. Challenge

    Modify Default Permissions using umask

    In this challenge, you'll learn how umask affects the default permissions on files and directories.

  4. Challenge

    Manage Permissions with chmod

    You're going to, in this challenge, become very good at using chmod to change permissions for users, groups, and others.

  5. Challenge

    Use Advanced Symbolic Notation

    You'll learn some of the more tricky aspects of symbolic notation.

  6. Challenge

    Change File Ownership

    Up until now, you've only worked with permissions. It's time to step it up a notch by working with ownership.

  7. Challenge

    Set Execute-only on a Directory

    You will finish up the lab by working with the execute bit on directories.

I'm a Linux aficionado. I deploy it to clients looking to build new solutions or migrate existing services. I teach it to students about to enter the job market, and I recommend it to anyone looking to get their start in IT.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.