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Mastering KVM Virtualization

Mastering KVM Virtualization

4.2 (16)
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Mastering KVM Virtualization

Mastering KVM Virtualization

4.2 (16)

Overview of this book

A robust datacenter is essential for any organization – but you don’t want to waste resources. With KVM you can virtualize your datacenter, transforming a Linux operating system into a powerful hypervisor that allows you to manage multiple OS with minimal fuss. This book doesn’t just show you how to virtualize with KVM – it shows you how to do it well. Written to make you an expert on KVM, you’ll learn to manage the three essential pillars of scalability, performance and security – as well as some useful integrations with cloud services such as OpenStack. From the fundamentals of setting up a standalone KVM virtualization platform, and the best tools to harness it effectively, including virt-manager, and kimchi-project, everything you do is built around making KVM work for you in the real-world, helping you to interact and customize it as you need it. With further guidance on performance optimization for Microsoft Windows and RHEL virtual machines, as well as proven strategies for backup and disaster recovery, you’ll can be confident that your virtualized data center is working for your organization – not hampering it. Finally, the book will empower you to unlock the full potential of cloud through KVM. Migrating your physical machines to the cloud can be challenging, but once you’ve mastered KVM, it’s a little easie.
Table of Contents (17 chapters)
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16
Index

What Linux virtualization offers you in the cloud

Over the years, Linux has become the first choice for developing cloud-based solutions. Many successful public cloud providers use Linux virtualization to power their underlying infrastructure. For example, Amazon, the largest IaaS cloud provider uses Xen virtualization to power their EC2 offering and similarly it's KVM that powers Digital Ocean. Digital Ocean is the third largest cloud provider in the world. Linux virtualizations are also dominating the private cloud arena.

The following is a list of open source cloud software that uses Linux virtualization for building IaaS software:

  • Openstack: A fully open source cloud operating system, this consists of several open source sub-projects that provide all the building blocks to create an IaaS cloud. KVM (Linux Virtualization) is the most-used (and best-supported) hypervisor in OpenStack deployments. It's governed by the vendor-agnostic OpenStack Foundation. How to build an OpenStack cloud using KVM is explained in detail in Chapter 6, Virtual Machine Lifecycle Management and Chapter 7, Templates and Snapshots.
  • Cloudstack: This is another open source Apache Software Foundation (ASF) controlled cloud project to build and manage highly-scalable multi-tenant IaaS cloud, which is fully compatible with EC2/S3 APIs. Although it supports all top-level Linux hypervisors. Most Cloudstack users choose Xen, as it is tightly integrated with Cloudstack.
  • Eucalyptus: This is an AWS-compatible private cloud software for organizations to reduce their public cloud cost and regain control over security and performance. It supports both Xen and KVM as a computing resources provider.
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