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KVM Virtualization Cookbook

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

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781788294676
Length 340 pages
Edition 1st Edition
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Author (1):
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Konstantin Ivanov Konstantin Ivanov
Author Profile Icon Konstantin Ivanov
Konstantin Ivanov
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Toc

Table of Contents (9) Chapters Close

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

Starting, stopping, and deleting KVM instances with Python


In this recipe we are going to use the create() method on the instance object we defined in the previous recipe to start it and the destroy() method to stop it.

To obtain more information on the create() method, run:

In [1]: instance.create?
Type: instancemethod
String Form:<bound method virDomain.create of <libvirt.virDomain object at 0x7fc5d9b97d90>>
File: /root/kvm_python/lib/python2.7/site-packages/libvirt.py
Definition: instance.create(self)
Docstring:
Launch a defined domain. If the call succeeds the domain moves from the
defined to the running domains pools. The domain will be paused only
if restoring from managed state created from a paused domain. For more
control, see virDomainCreateWithFlags().

In [2]:

Getting ready

For this recipe we are going to need the following:

  • An Ubuntu host, with libvirt and QEMU installed and configured
  • The debian.img raw image file we built in the Installing custom OS on the image with...
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