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KVM Virtualization Cookbook

You're reading from KVM Virtualization Cookbook Learn how to use KVM effectively in production

Product type Paperback

Published in Jun 2017

Publisher Packt

ISBN-13 9781788294676

Length 340 pages

Edition 1st Edition

Languages

Python

Tools

KVM

Concepts

Cloud Computing

Author (1):

Konstantin Ivanov

View More author details

Table of Contents (9) Chapters

Preface

1. Getting Started with QEMU and KVM FREE CHAPTER

2. Using libvirt to Manage KVM

3. KVM Networking with libvirt

4. Migrating KVM Instances

5. Monitoring and Backup of KVM Virtual Machines

6. Deploying KVM Instances with OpenStack

7. Using Python to Build and Manage KVM Instances

8. Kernel Tuning for KVM Performance

Introduction

With libvirt, we can define different network types for our KVM guests, using the already familiar XML definition syntax and the virsh and virt-install userspace tools. In this chapter, we are going to deploy three different network types, explore the network XML format, and see examples on how to define and manipulate virtual interfaces for the KVM instances.

To be able to connect the virtual machines to the host OS or to each other, we are going to use the Linux bridge and the Open vSwitch (OVS) daemons, userspace tools, and kernel modules. Both software bridging technologies are great at creating Software-defined Networking (SDN) of various complexity, in a consistent and easy-to-manipulate manner. The Linux bridge and OVS both act as a bridge/switch that the virtual interfaces of the KVM guests can connect to.

With all this in mind, let's start by learning more about the software bridges in Linux.

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Authors (1)

Konstantin Ivanov

Konstantin Ivanov

Konstantin Ivanov is a Linux Systems Engineer, an open source developer, and a technology blogger who has been designing, configuring, deploying, and administering large-scale, highly available Linux environments for more than 15 years. His interests include large distributed systems and task automation, along with solving technical challenges involving multiple technology stacks. Konstantin received two Master of Science in Computer Science degrees from universities in Bulgaria and the United States, specializing in System and Network security and Software engineering. In his spare time, he loves writing technology blogs and spending time with his two boys.

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