Blog Article:


Daniel Molina


May 21, 2019


OpenNebula Techday 2015 – The OpenNebula TechDays are full day events to learn about OpenNebula with a hands-on cloud installation and operation workshop, and presentations from community members and users. These events are targeted at cloud architects, data center admins, systems admins, systems integrators, DevOps architects, and solutions architect. The emphasis is to find local speakers and users to come together and talk about things that they care about most, and to share stories from their experiences using OpenNebula.



The TechDay will be held at

Ippon Technologies / Ippon Hosting
47 avenue de la Grande Armée
75116 Paris
5Ăšme Ă©tage
MĂ©tro : Argentine M1 / RER A Charles de Gaulle

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Ippon Hosting is a French company expert in hosting and outsourcing of critical applications based on Java components. The Devops team support projects at every stage, ensuring efficiency, responsiveness and availability 24/7. With a constant focus on improving the performance and risk control. Our areas of expertise are HA, IaaS, PaaS and Devops. Companies such as SociĂ©tĂ© GĂ©nĂ©rale, CCIP, EDF and Thales already trust on Ippon Hosting.

Call for Speakers

Send us an email at if you are interested in speaking at this TechDay and:

  • Sharing cloud use cases and deployment experiences
  • Introducing new integrations and ecosystem developments
  • Describing other related cloud open-source projects and tools


Register for this Event

The number of seats is limited  to ensure there is plenty of opportunity for everyone to interact. We encourage everyone to register as early as possible.

Agenda and Speakers

Agenda includes a hands-on cloud installation and operation workshop, and presentations from OpenNebula community members and users.

9:00-13:00: Hands-on Workshop

Jaime Melis, OpenNebula Core Developer
This hands-on tutorial will give an overview of how OpenNebula is used to build and operate private clouds. The attendees will build, configure and operate their own OpenNebula cloud.


  • An introduction to cloud computing with OpenNebula
  • The architecture of the cloud
  • Planning and installing OpenNebula
  • Configuration and basic usage


The target audience is devops and system administrators interested in deploying a private cloud solution, or in the integration of OpenNebula with other platform.

Skills Gained

  • Describe the features and benefits of using virtualization and clouds
  • Describe different architectures for a cloud that can be deployed with OpenNebula
  • Deployment and basic configuration OpenNebula
  • Basic operation of an OpenNebula cloud instance


No prior OpenNebula skills are required, but participants should have working knowledge of virtualization, networking and Unix/Linux systems.


The workshop includes hands-on exercises to be performed using attendee’s wifi-enabled laptops with VirtualBox installed. The attendees will build, configure and operate their own OpenNebula cloud.

13:00-14:15: Lunch

14:15 – 17:00: Presentations

14:15 – 14:45: OpenNebula is Evolving

Jaime Melis, OpenNebula Core Developer
We will discuss the new features, workflows and components that will be available in the next release of OpenNebula (4.14). We will learn about disk snapshots, accounting and showback enhancements, a big boost to our Ceph and qcow2 drivers, direct GPU access, cloning of running VMs, improvement of recovery mechanisms for VMs and many other things.
Open nebula is evolving paris techday 2015 from OpenNebula Project

14:45 – 15:15: [French] DĂ©ploiement pour l’hĂ©bergement d’architecture cliente et mise en place du SelfService ONE

Jimmy Goffaux,IngĂ©nieur Administration SystĂšme at  IPPON HOSTING
IpponHosting pour le besoin interne et celui des clients a déployé la solution OpenNebula.
Un retour d’expĂ©rience sera fait sur l’utilisation de certaines fonctionnalitĂ©s prĂ©sente dans la solution que nous avons du exploitĂ© : VDC Permissions ACL Contextualisation. DĂ©ploiement pour l’hĂ©bergement d’architecture cliente et mise en place du SelfService ONE from OpenNebula Project

15:15 – 15:45: Coffee Break

15:45 – 16:15: [French] Hñpy: OpenNebula GNU/Linux distribution for two french ministries / Distribution GNU/Linux OpenNebula pour deux ministùres français

Daniel Dehennin, Ac-Dijon
Le PÎle de Compétences Locigiels Libres a pour mission principale
d’éditer la distribution GNU/Linux EOLE en collaboration avec le
ministĂšre de l’écologie, du dĂ©veloppement durable et de
l’environnemet. AprĂšs une utilisation intensive d’OpenNebula pour le dĂ©veloppement et
de qualification de la distribution EOLE, la communauté a souhaité
l’intĂ©grer Ă  notre offre de solutions clef en main.
HĂąpy eole-gnu-linux-distribution from OpenNebula Project

16:15 – 16:45: [French] D’une infrastructure de virtualisation scriptĂ© Ă  un cloud privĂ© OpenNebula.

Guillaume Oberlé, IT Department, Université de Strasbourg
La direction informatique de l’UniversitĂ© de Strasbourg dispose d’un environnement de virtualisation composĂ© de 700 machines virtuelles hĂ©bergĂ©es sur une centaine d’hyperviseurs. L’administration est faite Ă  l’aide de virt-manager et de scripts python dĂ©veloppĂ©s en interne. Suite aux nouvelles demandes de ses utilisateurs, la direction informatique a dĂ©cider de mettre en place une solution de cloud privĂ©. Le choix de l’outil s’est naturellement orientĂ© vers une solution suffisamment flexible, personnalisable et simple pour permettre d’intĂ©grer l’infrastructure existante et de faire face aux besoins de demain.
D’une infrastructure de virtualisation scriptĂ© Ă  un cloud privĂ© OpenNebula from OpenNebula Project

16:45 â€“ 17:00: Open Space

This is a session for attendees to gather and discuss passionate questions, burning ideas, features, integrations or any topic of their choice, in an informal and tech-friendly environment, with other passionate and interested people. There is no preplanned list of topics, only time slots and a space in one of the meeting rooms where interested participants propose topics and pick time slots.


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