Blog Article:

OpenNebula Newsletter – December 2015

Tino Vazquez

Chief Operating Officer at OpenNebula Systems

Dec 28, 2015

Check this Newsletter to find out the what kept us busy this month: latest developments, events and future plans for the upcoming months.

The OpenNebula team is waving goodbye to 2015. This year the OpenNebula project has turned 8 years old, and we are proud to see the matureness of the software and how is helping people around the world to create private and hybrid production clouds. Happy new year dear community!


After the release of a new maintenance release for Great A’Tuin, the 4.14.2, with several bugfixes as well as new improvements in Sunstone and vCenter integration; the team has set the next milestone in the upcoming OpenNebula 5.0

As you may know, in the OpenNebula project we value our users feedback. Since 5.0 is going to be a very important milestone in the project, we wanted to know your opinion before defining the roadmap. For this reason, we did a survey to gather your opinion regarding OpenNebula and its features. We received a huge amount of feedback, which is proving immensely values to shape OpenNebula according to its user needs. Thanks again for your engagement with the project.

One of the great assets of OpenNebula is its customization capabilities. Its modular architecture widens the integration range with different datacenter components. We wanted to flexibilize Sunstone as well, to offer the end users the functionality emerging from such integrations, and thus we have written a Sunstone development guide. We are sure this will open the door to richer clouds based on OpenNebula.

We know that creating images for any cloud can be a hard task. In order to lower this barrier to allow for a wider range of applications available in all OpenNebula clouds, we created a guide to aid customizing images based on libguestfs. If you are building or operating an OpenNebula cloud, it may be worth checking.


Producing quality ecosystem components for OpenNebula is a great addition to the project. But if you top it with an excellent post describing the new component and how it interacts with and what value bring to OpenNebula, then you deserve a big thumbs up! In this case, we are talking again about our friends at Universidad Politécnica de Valencia and their recent addition, CloudVamp, which adds automated oversubscription and dynamic memory elasticity for OpenNebula. Don’t remember the guys from Universidad Politécnica de Valencia? They are the authors of the ONEDock, an exciting approach to Docker integration.

A new addon component for the ecosystem brings ZFS support for OpenNebula clouds. This is a great addition that we are sure will interest the OpenNebula users.

Another great, great addition to the OpenNebula capabilities is this LXC addon, which this month enters officially into its first stable release. Great job guys!.
As usual, we blush with our community comments. This time, the feature to blame is the easiness of deployment of an OpenNebula cloud. We work hard towards this goal, and it is very rewarding to learn that this is not a work that is taken for granted.

In case you missed it, we wanted to highlight this excellent post by Florian Hettenback, analyzing the OpenNebula characteristics. We do not speak german, but we liked what we understood from the translation.

As usual, we want to mention the efforts the community undergoes to maintain the ecosystem up to date. Way to go! We really appreciate it. This month we learned about a new version of the OCA (OpenNebula Cloud API) python binding and the release of version 0.4 of the OpenNebula-Foreman integration. Thanks!.


In case you didn’t have the chance to review the material for the third edition of the third OpenNebula Conference, you have the chance to watch the talks in our YouTube channel, download the slides from the slideshare account or take a look to the pictures of the conference.

Now is the time of the year were the team plans the events for 2016. We will shortly unveil our plans for the next, fourth OpenNebula Conference. Stay tuned!

In this very same line, we are defining location and dates for 2016 TechDays. The OpenNebula Cloud 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. TechDays hosts have an important role, and that is the local promotion of the event to gather OpenNebula enthusiasts in this technical event. If you are interested, please let us know.
Members of the OpenNebula team will be present in the following events in upcoming months:

  • VMworld 2016 US,  August 28 – September 1, Las Vegas (Mandalay Bay Hotel & Convention Center), Nevada, US.
    VMworld 2016 Europe, October 17 – 20, Barcelona (Fira Barcelona Gran Via), Spain.

If you are interested in receiving OpenNebula training, check the schedule for 2015 public classes at OpenNebula Headquarters. Next public OpenNebula training will take place next 15th of December in Madrid. Please contact us if your would like to request training near you.

Remember that you can see slides and resources from past events in our Events page. We have also created a Slideshare account where you can see the slides from some of our recent presentations.


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