Managing and Troubleshooting File and Directory Permissions in Linux

By Rob Marti

Learn permission schemes and how to manage and troubleshoot them.

3 hours
  • 20 Lessons
  • 5 Hands-On Labs

About the course

This course aims to alleviate some of the confusion about different permission schemes in Linux and gives tips on how to troubleshoot common permission errors. We’ll cover "normal" (octal) permissions, ACLs, SELinux configurations, and some other special permission settings that are less common.

  • Chapter 1 2 Lessons Course Introduction 2:22

    An Important Note About A Cloud Guru and Linux Academy Courses

    1:19

    Course Introduction

    1:03
  • Chapter 2 6 Lessons Understanding Octal Permissions in Linux 34:41

    What are Octal Permissions?

    11:10

    User Permissions vs. Group Permissions

    7:57

    Understanding `umask`

    4:23

    Permissions on Links

    6:05

    Special Interactions Based on the `root` User

    5:06

    Using Octal Permissions to Set up a Collaboration Area

    0:00 Hands-On Lab
  • Chapter 3 3 Lessons Linux Access Control Lists 18:47

    Working with `getfacl` and `setfacl`

    14:35

    Understanding the Interaction between ACLs and Octal Permissions

    4:12

    Using ACLs to Allow Collaboration

    0:00 Hands-On Lab
  • Chapter 4 4 Lessons SELinux 22:15

    Understanding SELinux Labels

    9:37

    Understanding SELinux Booleans

    8:50

    Interactions Among Different Permission Schemes

    3:48

    Troubleshooting SELinux on Files and Directories

    0:00 Hands-On Lab
  • Chapter 5 4 Lessons Special Bits 13:25

    What are Special Bits?

    10:00

    Special Attributes

    3:25

    Working with Special Bits

    0:00 Hands-On Lab

    Managing and Troubleshooting File Permissions

    0:00 Hands-On Lab
  • Chapter 6 1 Lesson Conclusion 0:58

    Conclusion

    0:58

What you will need

  • Beginner Linux knowledge, a desire to understand more about permissions

What are Hands-on Labs

What's the difference between theoretical knowledge and real skills? Practical real-world experience. That's where Hands-on Labs come in! Hands-on Labs are guided, interactive experiences that help you learn and practice real-world scenarios in real cloud environments. Hands-on Labs are seamlessly integrated in courses, so you can learn by doing.

Practice alongside courses in Cloud Playground

What is Cloud Playground? Cloud Playground lets you build skills in real-world AWS, Google Cloud, and Azure environments. Spin up risk-free Sandboxes, Servers and Terminals and follow along with courses, test a new idea or prepare for exams.

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Who’s going to be learning?

How many seats do you need?

  • $499 USD per seat per year
  • Billed Annually
  • Renews in 12 months

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