Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Red Hat Enterprise Linux 9 Administration

You're reading from   Red Hat Enterprise Linux 9 Administration A comprehensive Linux system administration guide for RHCSA certification exam candidates

Arrow left icon
Product type Paperback
Published in Nov 2022
Publisher Packt
ISBN-13 9781803248806
Length 530 pages
Edition 2nd Edition
Languages
Tools
Arrow right icon
Authors (4):
Arrow left icon
Scott McCarty Scott McCarty
Author Profile Icon Scott McCarty
Scott McCarty
Miguel Pérez Colino Miguel Pérez Colino
Author Profile Icon Miguel Pérez Colino
Miguel Pérez Colino
Pedro Ibañez Requena Pedro Ibañez Requena
Author Profile Icon Pedro Ibañez Requena
Pedro Ibañez Requena
Pablo Iranzo Gómez Pablo Iranzo Gómez
Author Profile Icon Pablo Iranzo Gómez
Pablo Iranzo Gómez
Arrow right icon
View More author details
Toc

Table of Contents (26) Chapters Close

Preface 1. Part 1 – Systems Administration – Software, User, Network, and Services Management
2. Chapter 1: Getting RHEL Up and Running FREE CHAPTER 3. Chapter 2: RHEL 9 Advanced Installation Options 4. Chapter 3: Basic Commands and Simple Shell Scripts 5. Chapter 4: Tools for Regular Operations 6. Chapter 5: Securing Systems with Users, Groups, and Permissions 7. Chapter 6: Enabling Network Connectivity 8. Chapter 7: Adding, Patching, and Managing Software 9. Part 2 – Security with SSH, SELinux, a Firewall, and System Permissions
10. Chapter 8: Administering Systems Remotely 11. Chapter 9: Securing Network Connectivity with firewalld 12. Chapter 10: Keeping Your System Hardened with SELinux 13. Chapter 11: System Security Profiles with OpenSCAP 14. Part 3 – Resource Administration – Storage, Boot Process, Tuning, and Containers
15. Chapter 12: Managing Local Storage and Filesystems 16. Chapter 13: Flexible Storage Management with LVM 17. Chapter 14: Advanced Storage Management with Stratis and VDO 18. Chapter 15: Understanding the Boot Process 19. Chapter 16: Kernel Tuning and Managing Performance Profiles with tuned 20. Chapter 17: Managing Containers with Podman, Buildah, and Skopeo 21. Part 4 – Practical Exercises
22. Chapter 18: Practice Exercises – 1 23. Chapter 19: Practice Exercise – 2 24. Index 25. Other Books You May Enjoy

Exercise 2 resolution

In this section, we’ll copy each item from the list of goals, and explain them while using proper syntax highlighting.

1. Downloading the necessary file from this book’s GitHub repository at https://raw.githubusercontent.com/PacktPublishing/Red-Hat-Enterprise-Linux-RHEL-9-Administration/main/chapter-19-exercise2/users.txt

Here’s how to do this:

wget https://raw.githubusercontent.com/PacktPublishing/Red-Hat-Enterprise-Linux-RHEL-9-Administration/main/chapter-19-exercise2/users.txt

2. Using the users.txt file to generate users in the system in an automated way using the values provided, in the following order: username, placeholder, uid, gid, name, home, shell

First, let’s examine the users.txt file with the following code:

cat users.txt
user;x;1000;1000;myuser1;/home/user1; /bin/false
john ;x ;1001 ;1001; John; /home/john ;/bin/false
doe ;x ;1002 ;1002; Doe; /home/doe ; /bin/sh
athena ;x ;1011 ;1011; Athena Jones; ...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime