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Virtualization Essentials. 2nd Edition

  • ID: 3634934
  • Book
  • 336 Pages
  • John Wiley and Sons Ltd
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Learn Virtualization Quickly and Easily

More and more companies are leveraging virtualization, so it is critical that IT professionals have the latest knowledge and skills needed to work with virtualization–centric infrastructures. You′ll acquire that knowledge as you work through this book and build your own virtual machine. Clear, straightforward instruction explains what virtualization is and how it works. Then you′ll learn to set up the CPU, memory, storage, networking, and more. Each chapter focuses on a specific goal, enabling you to build a solid foundation in this career–essential discipline.

Learn these virtualization essentials and more:

  • How virtualization software operates within a computer environment
  • The difference between Type 1 and Type 2 hypervisors
  • How cloud computing leverages virtualization
  • Installing Windows or Linux on virtual machines
  • Managing CPUs, memory, storage, and networking
  • Configuring supporting devices for a virtual machine
  • Availability and technologies that protect individual virtual machines, virtualization servers, and entire datacenters
  • Methodology and practices for deploying applications in a virtual environment.

This striking Essentials book features:

  • Chapter–opening learning objectives
  • Step–by–step tutorials
  • Four–color screenshots and illustrations
  • Essentials and Beyond summaries and additional suggested exercises
  • Downloadable exercise files
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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 Containers52

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 Confi guration 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 Virtual Box 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 vsa 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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Matthew Portnoy
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