- Cover Page
- About This eBook
- Title Page
- Copyright Page
- Contents at a Glance
- Table of Contents
- About the Author
- Dedication
- Acknowledgments
- About the Technical Reviewer
- We Want to Hear from You!
- Reader Services
- Introduction
- Figure Credits
- Part I: Performing Basic System Management Tasks
- Chapter 1. Installing Red Hat Enterprise Linux
- Chapter 2. Using Essential Tools
- Chapter 3. Essential File Management Tools
- “Do I Know This Already?” Quiz
- Foundation Topics
- Working with the File System Hierarchy
- Managing Files
- Using Links
- Working with Archives and Compressed Files
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 3.1
- Chapter 4. Working with Text Files
- “Do I Know This Already?” Quiz
- Foundation Topics
- Using Common Text File–Related Tools
- A Primer to Using Regular Expressions
- Using grep to Analyze Text
- Working with Other Useful Text Processing Utilities
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 4.1
- Chapter 5. Connecting to Red Hat Enterprise Linux 8
- Chapter 6. User and Group Management
- Chapter 7. Permissions Management
- “Do I Know This Already?” Quiz
- Foundation Topics
- Managing File Ownership
- Managing Basic Permissions
- Managing Advanced Permissions
- Managing ACLs
- Setting Default Permissions with umask
- Working with User-Extended Attributes
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 7.1
- Chapter 8. Configuring Networking
- “Do I Know This Already?” Quiz
- Foundation Topics
- Networking Fundamentals
- Managing Network Addresses and Interfaces
- Validating Network Configuration
- Configuring Network Configuration with nmtui and nmcli
- Setting Up Hostname and Name Resolution
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 8.1
- Part II: Operating Running Systems
- Chapter 9. Managing Software
- “Do I Know This Already?” Quiz
- Foundation Topics
- Managing Software Packages with yum
- Using yum
- Managing Package Module Streams
- Managing Software Packages with rpm
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Labs
- Lab 9.1
- Lab 9.2
- Chapter 10. Managing Processes
- “Do I Know This Already?” Quiz
- Foundation Topics
- Introduction to Process Management
- Managing Shell Jobs
- Using Common Command-Line Tools for Process Management
- Using top to Manage Processes
- Using tuned to Optimize Performance
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 10.1
- Chapter 11. Working with Systemd
- Chapter 12. Scheduling Tasks
- Chapter 13. Configuring Logging
- Chapter 14. Managing Storage
- Chapter 15. Managing Advanced Storage
- “Do I Know This Already?” Quiz
- Foundation Topics
- Understanding LVM
- Creating LVM Logical Volumes
- Resizing LVM Logical Volumes
- Configuring Stratis
- Configuring VDO
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Labs
- Lab 15.1
- Lab 15.2
- Lab 15.3
- Chapter 9. Managing Software
- Part III: Performing Advanced System Administration Tasks
- Chapter 16. Basic Kernel Management
- Chapter 17. Managing and Understanding the Boot Procedure
- Chapter 18. Essential Troubleshooting Skills
- “Do I Know This Already?” Quiz
- Foundation Topics
- Understanding the RHEL 8 Boot Procedure
- Passing Kernel Boot Arguments
- Using a Rescue Disk
- Fixing Common Issues
- Recovering Access to a Virtual Machine
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 18.1
- Chapter 19. An Introduction to Bash Shell Scripting
- Part IV: Managing Network Services
- Chapter 20. Configuring SSH
- “Do I Know This Already?” Quiz
- Foundation Topics
- Hardening the SSH Server
- Using Other Useful sshd Options
- Configuring Key-Based Authentication with Passphrases
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 20.1
- Chapter 21. Managing Apache HTTP Services
- Chapter 22. Managing SELinux
- “Do I Know This Already?” Quiz
- Foundation Topics
- Understanding SELinux Working and Modes
- Understanding Context Settings and the Policy
- Restoring Default File Contexts
- Using Boolean Settings to Modify SELinux Settings
- Diagnosing and Addressing SELinux Policy Violations
- Summary
- Exam Preparation Tasks
- Review All Key Topics
- Complete Tables and Lists from Memory
- Define Key Terms
- Review Questions
- End-of-Chapter Lab
- Lab 22.1
- Chapter 23. Configuring a Firewall
- Chapter 24. Accessing Network Storage
- Chapter 25. Configuring Time Services
- Chapter 26. Final Preparation
- Chapter 27. Theoretical Pre-Assessment Exam
- Chapter 20. Configuring SSH
- Part V: RHCSA RHEL 8 Practice Exams
- Index
- Online Elements
Figure Credits
Chapter opener images by Charlie Edwards/ Photodisc/Getty Images
Figures 1-1 through 1-15 © 2019 Red Hat, Inc
Figures 2-1 and 2-2 © 2019 Red Hat, Inc
Figures 5-1 and 5-2 © 2019 Red Hat, Inc
Figures 8-1 through 8-5 © 2019 Red Hat, Inc
Figure 10-1 © 2019 Red Hat, Inc
Figures 18-1 through 18-5 © 2019 Red Hat, Inc
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