Red Hat RHCSA/RHCE 7 Cert Guide

Trust the best-selling Cert Guide series from Pearson IT Certification to help you learn, prepare, and practice for exam success. Cert Guides are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.

Master Red Hat RHCSA (EX200) and RHCE (EX300) exam topics

• Assess your knowledge with chapter-opening quizzes
• Review key concepts with exam preparation tasks
• Test yourself with 4 practice exams (2 RHCSA and 2 RHCE)
• Gain expertise and knowledge using the companion website, which contains over 40 interactive exercises, 4 advanced CLI simulations, 40 interactive quizzes and glossary quizzes (one for each chapter), 3 virtual machines and more.

Red Hat RHCSA/RHCE 7 Cert Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. "Do I Know This Already?" quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending labs help you drill on key concepts you must know thoroughly.

Red Hat RHCSA/RHCE 7, Premium Edition eBook and Practice Test focuses specifically on the objectives for the newest Red Hat RHCSA (EX200) and RHCE (EX300) exams reflecting Red Hat Enterprise Linux 7. Expert Linux trainer and consultant Sander van Vugt shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

Well-regarded for its level of detail, assessment features, comprehensive design scenarios, and challenging review questions and exercises, this study guide helps you master the concepts and techniques that will allow you to succeed on the exam the first time.

This study guide helps you master all the topics on the new RHCSA (EX200) and RHCE (EX300) exams, including

Part 1: RHCSA

• Basic System Management: Installation, tools, text files, server connections; user, group, and permissions management; network configuration
• Operating Running Systems: Process management, VMs, package installation, task scheduling, logging, managing partitions and LVM logical volumes
• Advanced System Administration: Basic kernel management, basic Apache server configuration, boot procedures/troubleshooting
• Managing Network Services: Using Kickstart; managing SELinux; configuring firewalls, remote mounts, FTP, and time services

Part 2: RHCE

• System Configuration/Management: External authentication/authorization, iSCSI SANs, performance reporting, optimization, logging, routing/advanced networking, Bash scripting

• System Security: Configuring firewalls, advanced Apache services, DNS, MariaDB, NFS, Samba, SMTP, SSH, and time synchronization

Autorentext

Sander van Vugt is an independent Linux trainer, author, and consultant living in the Netherlands. Sander is the author of the best-selling Red Hat Certified System Administrator (RHCSA) Complete Video Course and also of the Red Hat Certified Engineer (RHCE) Complete Video Course. He has also written numerous books about different Linux-related topics, and many articles for Linux publications around the world. Sander has been teaching Red Hat, SUSE, and LPI Linux classes since 1994. As a consultant, he specializes in Linux high-availability solutions and performance optimization. You can find more information about Sander on his website at http://www.sandervanvugt.com .

For more information about RHAT certification and additional resources, visit the author's Red Hat Certification page at http://www.rhatcert.com/.

Inhalt

Introduction xxxix

Part 1: RHCSA 3

Chapter 1 Installing Red Hat Enterprise Linux Server 7

"Do I Know This Already?" Quiz 7

Foundation Topics 11

Preparing to Install Red Hat Enterprise Linux 11

What Is Red Hat Enterprise Linux 7 Server? 11

Getting the Software 12

Using CentOS 12

Other Distributions 13

Understanding Access to Repositories 13

Understanding Red Hat Enterprise Linux 7 Server Variants and Add-Ons 14

Setup Requirements 15

Course Environment Description 16

Performing a Manual Installation 17

Summary 29

Exam Preparation Tasks 29

Review All Key Topics 29

Define Key Terms 30

Review Questions 30

End-of-Chapter Labs 30

Lab 1.1 31

Chapter 2 Using Essential Tools 33

"Do I Know This Already?" Quiz 33

Foundation Topics 36

Basic Shell Skills 36

Executing Commands 36

I/O Redirection 37

Using Pipes 39

History 40

Bash Completion 42

Editing Files with vim 42

Understanding the Shell Environment 45

Understanding Variables 45

Environment Configuration Files 46

Using /etc/motd and /etc/issue 46

Finding Help 47

Using --help 48

Using man 48

Finding the Right man Page 48

Updating mandb 50

Using info 51

Using /usr/share/doc Documentation Files 53

Summary 53

Exam Prep Tasks 53

Review All Key Topics 53

Complete Tables and Lists from Memory 53

Define Key Terms 54

Review Questions 54

End-of-Chapter Labs 54

Lab 2.1 55

Chapter 3 Essential File Management Tools 57

Do I Know This Already Quiz 57

Foundation Topics 60

Working with the File System Hierarchy 60

Defining the File System Hierarchy 60

Understanding Mounts 61

Managing Files 66

Working with Wildcards 67

Managing and Working with Directories 67

Working with Absolute and Relative Pathnames 68

Listing Files and Directories 69

Copying Files 70

Moving Files 71

Deleting Files 71

Using Links 73

Understanding Hard Links 73

Understanding Symbolic Links 74

Creating Links 74

Removing Links 75

Working with Archives and Compressed Files 76

Managing Archives with tar 77

Using Compression 78

Summary 80

Exam Preparation Tasks 80

Review All Key Topics 80

Complete Tables and Lists from Memory 81

Define Key Terms 81

Review Questions 81

End-of-Chapter Labs 82

Lab 3.1 82

Chapter 4 Working with Text Files 85

"Do I Know This Already?" Quiz 85

Foundation Topics 88

Using Common Text File-Related Tools 88

Doing More with Less 88

Showing File Contents with cat 89

Displaying the First or Last Lines of a File with head and tail 90

Filtering Specific Columns with cut 91

Sorting File Contents and Output with sort 91

Counting Lines, Words, and Characters with wc 93

A Primer to Using Regular Expressions 93

Using Line Anchors 94

Using Escaping in Regular Expressions 95

Using Wildcards and Multipliers 95

Using grep to Analyze Text 96

Working with Other Useful Text Processing Utilities 97

Summary 99

Exam Preparation Tasks 99

Review All Key Topics 99

Complete Tables and Lists from Memory 99

Define Key Terms 100

Review Questions 100

End-of-Chapter Labs 100

Lab 4.1 100

Chapter 5 Connecting to Red Hat Enterprise Linux 7 103

"Do I Know This Already?" Quiz 103

Foundation Topics 106

Working on Local Consoles 106

Logging In to a Local Console 106

Switching Between Terminals in a Graphical Environment 107

Working with Multiple Terminals in a Nongraphical Environment 108

Understanding Pseudo Terminal Devices 109

Booting, Rebooting, and Shutting Down Systems 110

Using SSH and Related Utilities 112

Accessing Remote Systems Using SSH 112

Using Graphical Applications in an SSH Environment 114

Securely Transferring Files Between Systems 115

Configuring Key-Based Authentication for SSH 116

Using Passphrases or Not? 117

Using the screen Command 118

Summary 119

Exam Preparation Tasks 120

Review All Key Topics 1…