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Linux for System Administrators

You're reading from   Linux for System Administrators Navigate the complex landscape of the Linux OS and command line for effective administration

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Product type Paperback
Published in Sep 2023
Publisher Packt
ISBN-13 9781803247946
Length 294 pages
Edition 1st Edition
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Authors (2):
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Viorel Rudareanu Viorel Rudareanu
Author Profile Icon Viorel Rudareanu
Viorel Rudareanu
Daniil Baturin Daniil Baturin
Author Profile Icon Daniil Baturin
Daniil Baturin
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Table of Contents (21) Chapters Close

Preface 1. Part 1: Linux Basics
2. Chapter 1: Getting to Know Linux FREE CHAPTER 3. Chapter 2: The Shell and Its Commands 4. Chapter 3: The Linux Filesystem 5. Chapter 4: Processes and Process Control 6. Chapter 5: Hardware Discovery 7. Part 2: Configuring and Modifying Linux Systems
8. Chapter 6: Basic System Settings 9. Chapter 7: User and Group Management 10. Chapter 8: Software Installation and Package Repositories 11. Chapter 9: Network Configuration and Debugging 12. Chapter 10: Storage Management 13. Part 3: Linux as a Part of a Larger System
14. Chapter 11: Logging Configuration and Remote Logging 15. Chapter 12: Centralized Authentication 16. Chapter 13: High Availability 17. Chapter 14: Automation with Chef 18. Chapter 15: Security Guidelines and Best Practices 19. Index 20. Other Books You May Enjoy

Switching users

We are now prepared to begin using the packt account to carry out user administration duties. Use the su command to switch to that account to accomplish this. Notably, if you’re using CentOS or a comparable operating system, you don’t need to use the root account moving forward:

su -l packt

We are able to check the permissions for our newly formed packt account by using the sudo command. Let’s create another account called packtdemo, shall we?

~ $sudo adduser packtdemo
Adding user `packtdemo' ...
Adding new group `packtdemo' (1005) ...
Adding new user `packtdemo' (1004) with group `packtdemo' ...
The home directory `/home/packtdemo' already exists.  Not copying from `/etc/skel'.
New password:
Retype new password:
passwd: password updated successfully
Changing the user information for packtdemo
Enter the new value, or press ENTER for the default
Full Name []:
Room Number []:
Work Phone []:
Home Phone...
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