You're reading from Mastering KVM Virtualization Design expert data center virtualization solutions with the power of Linux KVM

Product type Paperback

Published in Oct 2020

Publisher Packt

ISBN-13 9781838828714

Length 686 pages

Edition 2nd Edition

Tools

KVM

Concepts

Design

Authors (4):

Humble Devassy Chirammal

Prasad Mukhedkar

Vedran Dakic

Anil Vettathu

View More author details

Table of Contents (22) Chapters

Preface

1. Section 1: KVM Virtualization Basics

2. Chapter 1: Understanding Linux Virtualization FREE CHAPTER

3. Chapter 2: KVM as a Virtualization Solution

4. Section 2: libvirt and ovirt for Virtual Machine Management

5. Chapter 3: Installing KVM Hypervisor, libvirt, and oVirt

6. Chapter 4: Libvirt Networking

7. Chapter 5: Libvirt Storage

8. Chapter 6: Virtual Display Devices and Protocols

9. Chapter 7: Virtual Machines: Installation, Configuration, and Life Cycle Management

10. Chapter 8: Creating and Modifying VM Disks, Templates, and Snapshots

11. Section 3: Automation, Customization, and Orchestration for KVM VMs

12. Chapter 9: Customizing a Virtual Machine with cloud-init

13. Chapter 10: Automated Windows Guest Deployment and Customization

14. Chapter 11: Ansible and Scripting for Orchestration and Automation

15. Section 4: Scalability, Monitoring, Performance Tuning, and Troubleshooting

16. Chapter 12: Scaling Out KVM with OpenStack

17. Chapter 13: Scaling out KVM with AWS

18. Chapter 14: Monitoring the KVM Virtualization Platform

19. Chapter 15: Performance Tuning and Optimization for KVM VMs

20. Chapter 16: Troubleshooting Guidelines for the KVM Platform

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Using virtual machine display devices

To make the graphics work on virtual machines, QEMU needs to provide two components to its virtual machines: a virtual graphic adapter and a method or protocol to access the graphics from the client. Let's discuss these two concepts, starting with a virtual graphic adapter. The latest version of QEMU has eight different types of virtual/emulated graphics adapters. All of these have some similarities and differences, all of which can be in terms of features and/or resolutions supported or other, more technical details. So, let's describe them and see which use cases we are going to favor a specific virtual graphic card for:

tcx: A SUN TCX virtual graphics card that can be used with old SUN OSes.
cirrus: A virtual graphic card that's based on an old Cirrus Logic GD5446 VGA chip. It can be used with any guest OS after Windows 95.
std: A standard VGA card that can be used with high-resolution modes for guest OSes after...