Book Image

Mastering KVM Virtualization - Second Edition

By : Vedran Dakic, Humble Devassy Chirammal, Prasad Mukhedkar, Anil Vettathu
Book Image

Mastering KVM Virtualization - Second Edition

By: Vedran Dakic, Humble Devassy Chirammal, Prasad Mukhedkar, Anil Vettathu

Overview of this book

Kernel-based Virtual Machine (KVM) enables you to virtualize your data center by transforming your Linux operating system into a powerful hypervisor that allows you to manage multiple operating systems with minimal fuss. With this book, you'll gain insights into configuring, troubleshooting, and fixing bugs in KVM virtualization and related software. This second edition of Mastering KVM Virtualization is updated to cover the latest developments in the core KVM components - libvirt and QEMU. Starting with the basics of Linux virtualization, you'll explore VM lifecycle management and migration techniques. You’ll then learn how to use SPICE and VNC protocols while creating VMs and discover best practices for using snapshots. As you progress, you'll integrate third-party tools with Ansible for automation and orchestration. You’ll also learn to scale out and monitor your environments, and will cover oVirt, OpenStack, Eucalyptus, AWS, and ELK stack. Throughout the book, you’ll find out more about tools such as Cloud-Init and Cloudbase-Init. Finally, you'll be taken through the performance tuning and troubleshooting guidelines for KVM-based virtual machines and a hypervisor. By the end of this book, you'll be well-versed with KVM virtualization and the tools and technologies needed to build and manage diverse virtualization environments.
Table of Contents (22 chapters)
1
Section 1: KVM Virtualization Basics
4
Section 2: libvirt and ovirt for Virtual Machine Management
11
Section 3: Automation, Customization, and Orchestration for KVM VMs
15
Section 4: Scalability, Monitoring, Performance Tuning, and Troubleshooting

Preparing and converting virtual machines for AWS

If you search for it on Google, migrating machines from KVM to AWS is easy, and all that is required is to follow the instructions at this link: https://docs.amazonaws.cn/en_us/vm-import/latest/userguide/vm-import-ug.pdf

If you actually try to do it, you will quickly understand that, given basic knowledge of the way AWS works, you will not be able to follow the instructions. This is why we choose to do this simple task as an example of using AWS to quickly create a working VM in the cloud.

What do we want to do?

Let's define what we are doing – we decided to migrate one of our machines into the AWS cloud. Right now, our machine is running on our local KVM server, and we want it running on AWS as soon as possible.

The first thing we must emphasize is that there is no live migration option for this. There is no simple tool that you can point to the KVM machine and move it to AWS. We need to do it step by step...