Credits

About the Authors

About the Reviewers

www.PacktPub.com

eBooks, discount offers, and more

Preface

What this book covers

What you need for this book

Who this book for

Conventions

Reader feedback

Customer support

Chapter 1. Understanding Linux Virtualization

What is virtualization?

Why should I use Linux virtualization?

Types of virtualization

Operating system virtualization/partitioning

Hardware assisted virtualization

Introducing VMM/hypervisor

Open source virtualization projects

What Linux virtualization offers you in the cloud

Summary

Chapter 2. KVM Internals

Getting acquainted with libvirt and its implementation

Internal workings of libvirt

Time to think more about QEMU

KVM in action

Anonymous inodes and file structures

Execution flow of vCPU

Summary

Chapter 3. Setting Up Standalone KVM Virtualization

Getting acquainted with libvirt

Hardware configuration examples

Summary

Chapter 4. Getting Started with libvirt and Creating Your First Virtual Machines

Introducing virt-manager

Creating virtual machines using the Virtual Machine Manager

Introducing virt-install

Automated virtual machine deployment

Summary

Chapter 5. Network and Storage

Virtual networking

Virtual networking using libvirt

MacVTap

PCI passthrough

It s all about storage!

Summary

Chapter 6. Virtual Machine Lifecycle Management

QEMU guest agent

Virtual video cards and graphics

VM migration

Shared storage

Enabling lockd

Live or online migration

Summary

Chapter 7. Templates and Snapshots

Introducing virtual machine templates

Working with templates

Deploying virtual machines from a template

Deploying VMs using the clone provisioning method

Deploying VMs using the thin provisioning method

Snapshots

Summary

Chapter 8. Kimchi – An HTML5-Based Management Tool for KVM/libvirt

Libvirt Web API

Introduction to the Kimchi project

Setting up Kimchi server

Managing KVM virtualization infrastructure using kimchi WebUI

Creating virtual machines through Kimchi WebUI

Managing virtual machine through android phones

Summary

Chapter 9. Software-Defined Networking for KVM Virtualization

Introducing Software Defined Networking

Introducing Open vSwitch

Integrating KVM VMs and OVS

VLANs with Open vSwitch

Applying traffic rate limiting

Overlay networks

Configuring Open vSwitch tunnels with VxLan

Network port mirroring

Managing Open vSwitch using the OpenDaylight SDN controller

Basic Open vSwitch troubleshooting

Summary

Chapter 10. Installing and Configuring the Virtual Datacenter Using oVirt

Introducing oVirt

Installing the oVirt engine

Summary

Chapter 11. Starting Your First Virtual Machine in oVirt

Getting acquainted with oVirt data center and cluster

Creating storage domains

Creating logical networks

Creating and starting a virtual machine

What next?

Summary

Chapter 12. Deploying OpenStack Private Cloud backed by KVM Virtualization

OpenStack architecture

OpenStack deployment

Launching First Instance

Troubleshooting the virtualization layer of OpenStack

Accessing the instance configuration database

QEMU Monitor Protocol

Summary

Chapter 13. Performance Tuning and Best Practices in KVM

VirtIO

CPU tuning

Working with memory

Getting acquainted with Kernel Same Page merging

Tuning CPU and memory with NUMA

Disk and block I/O tuning

Networking tuning in KVM

KVM guest time-keeping best practices

Summary

Chapter 14. V2V and P2V Migration Tools

Introducing the virt-v2v utility

How does virt-v2v work?

VMware guest conversion

Xen guest conversion

Converting standalone KVM guests to an oVirt Virtualization platform and the OpenStack cloud

Troubleshooting virt-v2v related issues

Physical system to virtual conversion

Can we convert any physical computers to virtual using virt-v2v?

Converting virtual machines from unsupported virtualization platforms

Summary

Appendix A. Converting a Virtual Machine into a Hypervisor

Introducing nested KVM

How to enable nested KVM?

Index