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OpenNebula 3 Cloud Computing par [Toraldo, Giovanni]
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Descriptions du produit

Présentation de l'éditeur

This is a step-by-step practical guide to get you started easily with openNebula. It guides you to build, maintain, and configure your cloud infrastructure, providing real-world examples in a simple and coherent manner. If you are a GNU/Linux system administrator with no experience with virtualization or cloud computing but eager to learn about it, or you are thwarted by your current virtualized infrastructure, this book is for you. You are expected to have some basic knowledge of GNU/Linux, with knowledge of basic package management tools and system configuration.

Biographie de l'auteur

Giovanni Toraldo started to mess with Linux and Free Software since the early years at school, developing hobbyist websites with free CMS and maintaining the official Italian support site of PHP-Fusion. After a few unsatisfactory years at the university, he decided to start working as System Administrator and Web Developer at LiberSoft (, a startup based in a technology park near Pisa ( He has now developed skills in designing and maintaining Open Source virtualization and clustering solutions, managing tens of host, servicing hundreds of requests, mainly web hosting stacks for Drupal and Symfony webapps. You can contact him at

Détails sur le produit

  • Format : Format Kindle
  • Taille du fichier : 6670 KB
  • Nombre de pages de l'édition imprimée : 314 pages
  • Editeur : Packt Publishing (25 mai 2012)
  • Vendu par : Amazon Media EU S.à r.l.
  • Langue : Anglais
  • ASIN: B00866HD9G
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Commentaires client les plus utiles sur (beta) HASH(0x8dac58ac) étoiles sur 5 7 commentaires
2 internautes sur 2 ont trouvé ce commentaire utile 
HASH(0x8d5fe4ec) étoiles sur 5 for running a private cloud 22 juin 2012
Par W Boudville - Publié sur
Format: Broché
You have undoubtedly heard all the news about cloud computing. A trendy catchphrase that encapsulates some substantial hardware in data centers hooked to the Internet, like Amazon's offering, for example. But this book shows how it is possible to have your own corporate cloud, without having to reinvent many methods. OpenNebula is an open source approach that the text strongly recommends (hypes?) as being very modular and interoperable. Toraldo suggests that you can avoid locking in your code into some vendor's proprietary API.

Even more, there is no preference for a given hypervisor. You might have already used a hypervisor from VMware, which is perhaps the dominant supplier of hypervisors in the marketplace. Reflecting this commercial reality, OpenNebula can handle several types of VMware hypervisors. But it also supports Xen, which is the oldest open source hypervisor for linux.

Chapter 2 discusses the setup of OpenNebula on your hardware. The requirements are fairly general and the installation steps seem straightforward. While chapter 5 is the launching point for broad usage, once all the install steps are done. In this chapter, the parts about running virtual machines can be illuminating. While there could be many settings, OpenNebule picks a set of defaults that typically work for most case, which reduces the administrative load on you.

You may want to keep in mind the figure on page 127, in chapter 5. It is the state diagram for all the VM states. It helps you, by letting you refer to it as needed, to understand the running of a VM.
1 internautes sur 1 ont trouvé ce commentaire utile 
HASH(0x8d5f91ec) étoiles sur 5 In depth, well written book mostly for engineers 31 août 2012
Par Nodir Kodirov - Publié sur
Format: Broché
Book is very compact in size, taking into account so much of content about OpenNebula. Last two years I have been installing, configuring and running OpenNebula for the research with few dozens of servers. The book has very helpful theoretical and mostly technical content.

For my work I referred to online documentation, blogs, OpenNebula forum and mailing lis. Finally, Giovanni Toraldo made an excellent work, collecting all of the content needed for very beginner to industry expert for set up, manage ad maintain OpenNebula cloud. It is very nice to have all content in one place. Book makes very easy to understand cloud internals, not only for OpenNebula but for all existing open source cloud solutions.

Also, I found "Tips and tricks" boxes very useful. They remind me easy traps which beginner can fall into during initial set up. Notes in the boxes are very handy, since it might save your days of digging down to the problem, reading forum posts or Googling. Latter was the case for me. So, content of the book requires keen attention, especially notes boxes.

It is great to have a book like this where author shares his insight experience and knowledge about open source project. Usually, thorough explanation of software modules, script and interaction between parts are not explained in the documentation, and almost impossible to find. This book includes in depth explanation of parts of the OpenNebula, such as image transfer manager, hooks, Ganglia integration and etc. I highly recommend this book for everyone getting into the cloud, regardless of their level of experience.
1 internautes sur 1 ont trouvé ce commentaire utile 
HASH(0x8d6038b8) étoiles sur 5 Great book 23 juillet 2012
Par Javi - Publié sur
Format: Broché
This book provides a good reference for anyone that wants to learn about OpenNebula-based Infrastructure as a Service (IaaS) clouds. The book covers the different scenarios that you can have within an IaaS cloud. Thus, it can be used to just get a general introduction and deploy a testing infrastructure; or to plan and deploy a production infrastructure.

Since the information is structure as a guide, it is easy to follow and learn how to manage OpenNebula. Moreover, every time that a related technology is mentioned, like GlusterFS, Glanglia, or Amazon Web Services, it goes with an explanation of how to install and configure it to ensure the integration with OpenNebula.

I found particularly interesting the last two sections, where it is explained how to go beyond the limits of you private cloud by using resources offered by public clouds (such as Amazon Web Services). In addition, it details the way to convert your private cloud into a public one and how to manage, from a centralized place, a large infrastructure as a federation of clouds.
1 internautes sur 1 ont trouvé ce commentaire utile 
HASH(0x8de3f87c) étoiles sur 5 A handy go-to reference manual for OpenNebula 5 septembre 2012
Par Piyush Harsh - Publié sur
Format: Broché
I have been using OpenNebula since version 2.2 onwards. The software has matured quite a bit since then incorporating more and more advanced features even as I write this review. Although the online manuals provides a comprehensive guide for installing and managing your OpenNebula cloud, at times this can become quite a challenge. This book does a very good job of presenting all the necessary guidelines and tips in a very coherent and systematic way. One of the big advantage of this book is that it covers some of the inner workings of the software too. It provides helpful tips on how and where to tweak the ruby codes to make OpenNebula custom fit your requirements. OpenNebula project is being actively developed, and will definitely incorporate more advance features and capabilities in upcoming releases. Some of the setup mechanisms discussed in this book is bound to become outdated, but some of the general technologies discussed will still make this book a very helpful tool to have in your possession.
HASH(0x8d913f48) étoiles sur 5 Finally, a handbook on OpenNebula ! 27 août 2012
Par Rodrigue Chakode - Publié sur
Format: Broché
PACKT Publishing [1] recently contacted me for reviewing the Book "OpenNebula 3 Cloud Computing" [2] written by Giovanni Toraldo. Despite my agenda these last months and the size of the book (315 pages), I accepted this proposition.

I like OpenNebula that I worked with more than three years during my PhD. From the version 1.2 the first one I downloaded in 2009, the software has been significantly improved. However, I was often frustrated that this nice software lacks of a handbook for learning tips and tricks to easily set up the clouds required for my experiments. That's, among other reasons, why I accepted to review this book.

Globally, I really enjoyed reading the book. Well written, it covers the major aspects of OpenNebula. The author starts by introducing the basics of the virtualization technologies (e.g. Xen, KVM, VMware) so to help the reader to understand what OpenNebula is and how it works along with those virtualization technologies. The author then provides a step-by-step guide for installing the software. I particularly appreciated how the storage of virtual machine images as well as the applications' data are addressed. Two examples are provided with GlusterFS [3] and MooseFS [4], two major distributed file systems. The author goes deeper into various other OpenNebula's features such as Virtual Network Management, Web Management, Monitoring, coupling with public clouds [5] (e.g. Amazon EC2). I also appreciated the fact that he provides relevant examples for illustrating the functionalities that are introduced.

I have some minor criticisms about the book however. I think that lacks of some conceptual considerations, to address for example situations where we need to build custom clouds based on OpenNebula. Indeed, instead of basis IaaS clouds, many people are often interested in building custom clouds. A scientist for instance will be mainly interested in how to customize OpenNebula to prototype the new models of clouds he is designing. Unfortunately, the book just briefly introduces the contextualization as well as the OpenNebula's APIs (OCCI, XML-RPC) that are two relevant features for addressing such a need. May be that will be covered in the next edition of the book.

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