Virtualization Essentials

Virtualization Essentials

by Matthew Portnoy

Paperback(2nd ed.)

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Learn virtualization skills by building your own virtual machine

Virtualization Essentials, Second Edition provides new and aspiring IT professionals with immersive training in working with virtualization environments. Clear, straightforward discussion simplifies complex concepts, and the hands-on tutorial approach helps you quickly get up to speed on the fundamentals. You'll begin by learning what virtualization is and how it works within the computing environment, then you'll dive right into building your own virtual machine. You'll learn how to set up the CPU, memory, storage, networking, and more as you master the skills that put you in-demand on the job market. Each chapter focuses on a specific goal, and concludes with review questions that test your understanding as well as suggested exercises that help you reinforce what you've learned.

As more and more companies are leveraging virtualization, it's imperative that IT professionals have the skills and knowledge to interface with virtualization-centric infrastructures. This book takes a learning-by-doing approach to give you hands-on training and a core understanding of virtualization.

  • Understand how virtualization works
  • Create a virtual machine by scratch and migration
  • Configure and manage basic components and supporting devices
  • Develop the necessary skill set to work in today's virtual world

Virtualization was initially used to build test labs, but its use has expanded to become best practice for a tremendous variety of IT solutions including high availability, business continuity, dynamic IT, and more. Cloud computing and DevOps rely on virtualization technologies, and the exponential spread of these and similar applications make virtualization proficiency a major value-add for any IT professional. Virtualization Essentials, Second Edition provides accessible, user-friendly, informative virtualization training for the forward-looking pro.

Product Details

ISBN-13: 9781119267720
Publisher: Wiley
Publication date: 08/29/2016
Edition description: 2nd ed.
Pages: 336
Product dimensions: 7.30(w) x 9.20(h) x 0.40(d)

About the Author

About the Author

Matthew Portnoy is a 30-year veteran of the IT industry. A Staff System Engineer at VMware, he is also an adjunct professor at Wake Tech Community College, where he has taught CIS classes since 2007. He has presented at VMworld, the leading virtualization conference, as well as at many other industry events and tradeshows including VMware User Group events.

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Table of Contents

Introduction xvii

Chapter 1 Understanding Virtualization 1

Describing Virtualization 1

Microsoft Windows Drives Server Growth 3

Explaining Moore’s Law 6

Understanding the Importance of Virtualization 9

Examining Today’s Trends 12

Virtualization and Cloud Computing 14

Understanding Virtualization Software Operation 15

Virtualizing Servers 16

Virtualizing Desktops 17

Virtualizing Applications 18

Chapter 2 Understanding Hypervisors 21

Describing a Hypervisor 21

Exploring the History of Hypervisors 22

Understanding Type 1 Hypervisors 23

Understanding Type 2 Hypervisors 25

Understanding the Role of a Hypervisor 26

Holodecks and Traffic Cops 26

Resource Allocation 27

Comparing Today’s Hypervisors 29

VMware ESX 29

Citrix Xen 31

Microsoft Hyper-V 33

Other Solutions 34

Chapter 3 Understanding Virtual Machines 37

Describing a Virtual Machine 37

Examining CPUs in a Virtual Machine 40

Examining Memory in a Virtual Machine 41

Examining Network Resources in a Virtual Machine 42

Examining Storage in a Virtual Machine 43

Understanding How a Virtual Machine Works 45

Working with Virtual Machines 47

Understanding Virtual Machine Clones 48

Understanding Templates 49

Understanding Snapshots 50

Understanding OVF 51

Understanding Containers 52

Chapter 4 Creating a Virtual Machine 55

Performing P2V Conversions 55

Investigating the Physical-to-Virtual Process 56

Hot and Cold Cloning 57

Loading Your Environment 58

Loading VMware Workstation Player 59

Exploring VMware Workstation Player 65

Loading VirtualBox 68

Building a New Virtual Machine 73

Thinking about VM Configuration 74

Creating a First VM 75

Chapter 5 Installing Windows on a Virtual Machine 81

Loading Windows into a Virtual Machine 81

Installing Windows 10 82

Installing VMware Tools 93

Understanding Configuration Options 97

Optimizing a New Virtual Machine 103

Chapter 6 Installing Linux on a Virtual Machine 107

Loading Linux into a Virtual Machine 107

Exploring Oracle VM VirtualBox 108

Installing Linux into a Virtual Machine 111

Installing VirtualBox Guest Additions 123

Understanding Configuration Options 125

Optimizing a New Linux Virtual Machine 129

Chapter 7 Managing CPUs for a Virtual Machine 133

Understanding CPU Virtualization 133

Configuring VM CPU Options 137

Tuning Practices for VM CPUs 138

Choosing Multiple vCPUs vs a Single vCPU 139

Hyper-Threading 140

Working with Intel and AMD Servers 141

Chapter 8 Managing Memory for a Virtual Machine 143

Understanding Memory Virtualization 143

Configuring VM Memory Options 146

Tuning Practices for VM Memory 148

Calculating Memory Overhead 148

Memory Optimizations 150

Chapter 9 Managing Storage for a Virtual Machine 157

Understanding Storage Virtualization 157

Configuring VM Storage Options 162

Tuning Practices for VM Storage 169

Chapter 10 Managing Networking for a Virtual Machine 177

Understanding Network Virtualization 177

Configuring VM Network Options 187

Tuning Practices for Virtual Networks 192

Chapter 11 Copying a Virtual Machine 197

Cloning a Virtual Machine 197

Working with Templates 207

Saving a Virtual Machine State 212

Creating a Snapshot 214

Merging Snapshots 218

Chapter 12 Managing Additional Devices in Virtual Machines 221

Using Virtual Machine Tools 222

Understanding Virtual Devices 224

Configuring a CD/DVD Drive 224

Configuring a Floppy Disk Drive 225

Configuring a Sound Card 229

Configuring USB Devices 230

Configuring Graphic Displays 232

Configuring Other Devices 233

Chapter 13 Understanding Availability 239

Increasing Availability 239

Protecting a Virtual Machine 242

Protecting Multiple Virtual Machines 246

Protecting Data Centers 251

Chapter 14 Understanding Applications in a Virtual Machine 255

Examining Virtual Infrastructure Performance Capabilities 255

Deploying Applications in a Virtual Environment 260

Understanding Virtual Appliances and vApps 269

Open Stack and Containers 271

Appendix Answers to Additional Exercises 275

Glossary 287

Index 293

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