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Index
About This eBook
Title Page
Copyright Page
About the Author
About the Technical Reviewers
Dedication
Acknowledgments
We Want to Hear from You!
Reader Services
Contents at a Glance
Contents
Command Syntax Conventions
Introduction
Goals and Methods
Who Should Read This Book?
How This Book Is Organized
Chapter Features
Other Features
Book Organization, Chapters, and Appendixes
About the Virtual Machines
Where are the Companion Content Files?
Part 1: RHCSA
Chapter 1. Installing Red Hat Enterprise Linux Server
“Do I Know This Already?” Quiz
Foundation Topics
Preparing to Install Red Hat Enterprise Linux
Performing a Manual Installation
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 1.1
Chapter 2. Using Essential Tools
“Do I Know This Already?” Quiz
Foundation Topics
Basic Shell Skills
Editing Files with vim
Understanding the Shell Environment
Finding Help
Summary
Exam Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 2.1
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 Labs
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 Labs
Lab 4.1
Chapter 5. Connecting to Red Hat Enterprise Linux 7
“Do I Know This Already?” Quiz
Foundation Topics
Working on Local Consoles
Using SSH and Related Utilities
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 5.1
Chapter 6. User and Group Management
“Do I Know This Already?” Quiz
Foundation Topics
Different User Types
Managing User Accounts
Creating and Managing Group Accounts
Logging In Through an External Authentication Service
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 6.1
Lab 6.2
Chapter 7. Configuring Permissions
“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
Define Key Terms
Review Questions
End-of-Chapter Labs
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 Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 8.1
Chapter 9. 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
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
Chapter 10. Working with Virtual Machines
“Do I Know This Already?” Quiz
Foundation Topics
Understanding RHEL 7 Virtualization
Making Your Server a KVM Host
Managing Virtual Machines
Summary
Exam Prep Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 10.1
Chapter 11. Managing Software
“Do I Know This Already?” Quiz
Foundation Topics
Managing Software Packages with yum
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 11.1
Chapter 12. Scheduling Tasks
“Do I Know This Already?” Quiz
Foundation Topics
Configuring cron to Automate Recurring Tasks
Configuring at to Schedule Future Tasks
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 12.1
Chapter 13. Configuring Logging
“Do I Know This Already?” Quiz
Foundation Topics
Understanding System Logging
Configuring rsyslogd
Rotating Log Files
Working with journald
Summary
Exam Prep Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 13.1
Chapter 14. Managing Partitions
“Do I Know This Already?” Quiz
Foundation Topics
Understanding MBR and GPT Partitions
Managing Partitions and File Systems
Mounting File Systems
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 14.1
Lab 14.2
Chapter 15. Managing LVM Logical Volumes
“Do I Know This Already?” Quiz
Foundation Topics
Understanding LVM
Creating LVM Logical Volumes
Resizing LVM Logical Volumes
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 15.1
Chapter 16. Basic Kernel Management
“Do I Know This Already?” Quiz
Foundation Topics
Understanding the Role of the Linux Kernel
Working with Kernel Modules
Upgrading the Linux Kernel
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 16.1
Chapter 17. Configuring a Basic Apache Server
“Do I Know This Already?” Quiz
Foundation Topics
Configuring a Basic Apache Server
Creating Web Server Content
Understanding Apache Configuration Files
Creating Apache Virtual Hosts
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 17.1
Chapter 18. Managing and Understanding the Boot Procedure
“Do I Know This Already?” Quiz
Foundation Topics
Working with Systemd
Working with GRUB 2
Summary
Exam Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 18.1
Lab 18.2
Chapter 19. Troubleshooting the Boot Procedure
“Do I Know This Already?” Quiz
Foundation Topics
Understanding the RHEL 7 Boot Procedure
Passing Kernel Boot Arguments
Using a Rescue Disk
Fixing Common Issues
Recovering Access to a Virtual Machine
Summary
Exam Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 19.1
Chapter 20. Using Kickstart
“Do I Know This Already?” Quiz
Foundation Topics
Setting Up an Installation Server
Setting Up a TFTP and DHCP Server for PXE Boot
Creating a Kickstart File
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 20.1
Chapter 21. 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 Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 21.1
Chapter 22. Configuring a Firewall
“Do I Know This Already?” Quiz
Foundation Topics
Understanding Linux Firewalling
Working with Firewalld
Summary
Exam Prep Tasks
Key Topics
Define Key Terms
Complete Tables and Lists from Memory
Review Questions
End-of-Chapter Labs
Chapter 23. Configuring Remote Mounts and FTP
“Do I Know This Already?” Quiz
Foundation Topics
Mounting NFS Shares
Mounting SMB File Systems
Mounting Remote File Systems Through fstab
Using Automount to Mount Remote File Systems
Configuring an FTP Server
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 23.1
Chapter 24. Configuring Time Services
“Do I Know This Already?” Quiz
Foundation Topics
Understanding Local Time
Using Network Time Protocol
Managing Time on Red Hat Enterprise Linux
Using Graphical Tools to Manage Time
Summary
Exam Prep Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 24.1
Part 2: RHCE
Chapter 25. Configuring External Authentication and Authorization
“Do I Know This Already?” Quiz
Foundation Topics
Understanding Remote Authentication
Understanding Kerberos Basics
Configuring LDAP Authentication with Kerberos Authorization
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 25.1
Chapter 26. Configuring an iSCSI SAN
“Do I Know This Already” Quiz
Foundation Topics
Understanding iSCSI
Setting Up the iSCSI Target
Setting Up the iSCSI Initiator
Making the Connection
Troubleshooting iSCSI
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 26.1
Lab 26.2
Lab 26.3
Chapter 27. System Performance Reporting
“Do I Know This Already?” Quiz
Foundation Topics
Understanding top Performance Data
Using iostat, vmstat, and pidstat
Configuring sar
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Chapter 28. System Optimization Basics
“Do I Know This Already?” Quiz
Foundation Topics
Understanding System Optimization Basics
Understanding the /proc File System
Using sysctl to Automate System Optimization Parameters
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 28.1
Chapter 29. Configuring Advanced Log Features
“Do I Know This Already?” Quiz
Foundation Topics
Understanding rsyslogd Modules
Connecting journald to rsyslog
Configuring Remote Logging
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 29.1
Chapter 30. Configuring Routing and Advanced Networking
“Do I Know This Already?” Quiz
Foundation Topics
Configuring Aggregated Network Interfaces
Configuring IPv6 Addresses
Routing IP Traffic
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 30.1
Chapter 31. An Introduction to Bash Shell Scripting
“Do I Know This Already?” Quiz
Foundation Topics
Understanding Shell Scripting Core Elements
Using Variables and Input
Using Conditional Loops
Summary
Exam Preparation Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 31.1
Chapter 32. Advanced Firewall Configuration
“Do I Know This Already?” Quiz
Foundation Topics
Excluding Iptables Services
Creating Firewalld Services
Configuring Firewalld Rich Rules
Configuring Network Address Translation
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 32.1
Chapter 33. Managing Advanced Apache Services
“Do I Know This Already?” Quiz
Foundation Topics
Revising Apache Basics
Configuring TLS Security
Deploying CGI Applications
Configuring Private Directories
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 33.1
Chapter 34. Configuring DNS
“Do I Know This Already?” Quiz
Foundation Topics
Understanding DNS
Setting Up a Cache-Only DNS Server
Troubleshooting DNS Issues
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 34.1
Chapter 35. Configuring a MariaDB Database
“Do I Know This Already?” Quiz
Foundation Topics
MariaDB Base Configuration
Performing Simple Database Administration Tasks
MariaDB Backup and Restore
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 35.1
Chapter 36. Configuring NFS
“Do I Know This Already?” Quiz
Foundation Topics
Setting Up the Basic NFSv4 Server
Configuring NFS Kerberos Authentication
Summary
Exam Prep Tasks
Review All Key Topics
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 36.1
Chapter 37. Configuring Samba File Services
“Do I Know This Already?” Quiz
Foundation Topics
Setting Up SMB File Sharing
Securing Samba
Accessing SMB Shares
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 37.1
Chapter 38. Setting Up an SMTP Server
Do I Know This Already Quiz
Foundation Topics
Understanding Email Basics
Configuring Postfix Parameters
Verifying a Working Mail Configuration
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 38.1
Chapter 39. 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
Configuring SSH Tunnels
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 39.1
Chapter 40. Managing Time Synchronization
“Do I Know This Already?” Quiz
Foundation Topics
Understanding the Need for Synchronized Time
Setting Up Time Synchronization
Managing and Monitoring Time Synchronization with chronyc
Summary
Exam Preparation Tasks
Review All Key Topics
Complete Tables and Lists from Memory
Define Key Terms
Review Questions
End-of-Chapter Labs
Lab 40.1
Chapter 41. Final Preparation
Generic Tips
Verifying Your Readiness
Registering for the Exam
On Exam Day
During the Exam
The Nondisclosure Agreement
Chapter 42. Theoretical Pre-Assessment Exams
RHCSA Theoretical Pre-Assessment Exam
RHCSA Pre-Exam Theoretical Test
RHCE Theoretical Pre-Assessment Exam
RHCSA Practice Exam A
RHCSA Practice Exam A
RHCSA Practice Exam B
RHCSA Practice Exam B
RHCE Practice Exam A
RHCE Practice Exam A
RHCE Practice Exam B
RHCE Practice Exam B
Index
Appendix A. Answers to the “Do I Know This Already” Quizzes and “Review Questions”
Answers to the “Do I Know This Already” Quizzes
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27
Chapter 28
Chapter 29
Chapter 30
Chapter 31
Chapter 32
Chapter 33
Chapter 34
Chapter 35
Chapter 36
Chapter 37
Chapter 38
Chapter 39
Chapter 40
Answers to the “Review Questions”
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27
Chapter 28
Chapter 29
Chapter 30
Chapter 31
Chapter 32
Chapter 33
Chapter 34
Chapter 35
Chapter 36
Chapter 37
Chapter 38
Chapter 39
Chapter 40
Appendix B. Memory Tables
Chapter 2
Chapter 3
Chapter 4
Chapter 6
Chapter 8
Chapter 9
Chapter 11
Chapter 13
Chapter 14
Chapter 18
Chapter 19
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27
Chapter 28
Chapter 29
Chapter 30
Chapter 32
Chapter 33
Chapter 34
Chapter 35
Chapter 37
Chapter 38
Chapter 39
Chapter 40
Appendix C. Memory Tables Answer Key
Chapter 2
Chapter 3
Chapter 4
Chapter 6
Chapter 8
Chapter 9
Chapter 11
Chapter 13
Chapter 14
Chapter 18
Chapter 19
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27
Chapter 28
Chapter 29
Chapter 30
Chapter 32
Chapter 33
Chapter 34
Chapter 35
Chapter 37
Chapter 38
Chapter 39
Chapter 40
Appendix D. Setting Up Identity Management
Performing the Base Installation
Installing FreeIPA
Preparing Your IPA Server for User Authentication
Preparing Your IPA Server for Kerberized NFS
Appendix E. Study Planner
Glossary
Where are the Companion Content Files?
Code Snippets
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