Welcome to our newsletter! Dive into this edition to catch up on our latest updates, event highlights, future plans, and more.

Technology

📡 MESSAGE FROM THE ENGINEERING DECK
After a really hectic month of March all things are shaping up for the first beta release of OpenNebula 7.0 in April. The team is working hard ironing out the last wrinkles, certifying over all the platforms that OpenNebula supports. Veeam support, NetApp drivers, OneDRS functionality, OVA ingest, revamped Sunstone web interface, LVM-thin drivers … What’s not to like?

Enterprise AI with OpenNebula

Unlock the potential of Enterprise AI Factories with OpenNebula’s scalable and secure private cloud solution. Designed for GenAI workloads, OpenNebula provides cost efficiency, full data control, and high-performance GPU virtualization, ensuring vendor neutrality and optimized AI infrastructure. Explore more here.

Experiences

AI Sweden Case Study

Discover how AI Sweden—the national center for applied artificial intelligence in Sweden—leverages OpenNebula to power its AI research and innovation. By adopting OpenNebula, AI Sweden has gained a flexible and efficient cloud infrastructure that supports GPU passthrough, seamless multi-tenant collaboration, and scalable automation. Check out the details here.

OpenNebula Reviews on Gartner

Discover what users are saying about OpenNebula on Gartner Peer Insights.

Are you using OpenNebula? We’d love your feedback! Submit your review here, and as a thank-you, receive a gift card once it’s published.

Media Publications

Microsoft is finalizing its EU Data Boundary, but discussions around digital sovereignty continue. In The Register, we explain that “data residency is just one aspect of sovereignty”, highlighting the role of infrastructure control. The article explores how initiatives like IPCEI Cloud aim to support European digital autonomy. Read more here.

Outreach

Webinars

In March, we hosted two product webinars and two training sessions. The first webinar focused on Kubernetes Management, and the recording is available for those who missed it. We also offered an exclusive preview of OpenNebula 7.0, showcasing its new features and enhancements—watch the webinar recording here. Our training series kicked off with a session on the fundamentals of operating OpenNebula, with a recording available for those unable to attend. This was followed by a session on Multi-Tenancy in OpenNebula, which you can also access here.

Techday Bilbao

At TechDay Bilbao, we explored the convergence of AI, cloud, and edge computing through expert panels, real-world demos, and discussions with industry leaders. With over 80 attendees, the event showcased AI-driven cloud operations, automation, and innovative use cases from companies like CAF, Arteche, and ACISA. Read the full recap here.

Techday Barcelona

TechDay Barcelona highlighted how OpenNebula simplifies cloud migration and serves as a strong VMware alternative, featuring expert-led sessions, live demos, and case studies from CaixaBank, i2CAT, CSUC, and ACISA. Read the full recap here.

MWC25, Barcelona, March 3-6

At MWC 2025, OpenNebula showcased its role as a VMware alternative and AI-ready edge cloud solution, helping telcos modernize infrastructure and cut costs. Through expert panels, demos, and key presentations, we demonstrated how OpenNebula enables scalable, vendor-independent cloud and edge deployments. Read the full blog.

CloudFest 2025, Frankfurt, March 17-20

At CloudFest, OpenNebula showcased its role as an open source VMware alternative and AI-driven cloud solution, enabling vendor-neutral, cost-effective cloud management. The event highlighted how OpenNebula simplifies hybrid cloud operations, enhances automation with AI, and ensures seamless workload portability. Read the full blog.

NVIDIA GTC25, San Jose (CA), March 17-21 

We joined NVIDIA GTC, highlighting how OpenNebula enhances AI cloud infrastructure with secure multi-tenancy, high-performance GPU access via SR-IOV and PCI passthrough, and a true as-a-service model for seamless hybrid AI deployments.

What’s Coming in April (and May!)

Webinars and Techdays

We have four upcoming webinars this April, including:

• An Introduction to OpenNebula Operations—April 7 at 5 PM CEST. Learn more and register here.
• The Future of 5G Neutral Hosting—April 16 at 5 PM CEST. Learn more and register here.
• Automate Deployment with OneDeploy—April 23 at 5 PM CEST. Learn more and register here.
• Online Panel: Exploring the Virt8ra Project—April 30 at 5 PM CEST. Learn more and register here.

Techday Madrid, April 24

Co-organized with Digital Realty, a global provider of data center, colocation, and interconnection solutions. For more details, agenda, and free registration click here. 

Data Center World 2025, Washington D.C., April 14-17

If you’re attending the Data Center World event in Washington D.C., we invite you to visit us at Booth 685. Discover firsthand how our solutions can transform your IT environment and replace VMware. To schedule a meeting and learn more, read our latest blog.

Red Hat Summit 2025, Boston (MA), May 19-22

If you’re attending Red Hat Summit 2025 don’t miss the chance to visit us and discover why organizations worldwide are choosing OpenNebula. Learn how our integration with Red Hat solutions can simplify and optimize your cloud operations. Check out our latest blog post and book a meeting here.

OpenNebula Academy

A quick reminder that we offer certified training sessions for all skill levels. These sessions provide valuable hands-on experience to enhance your OpenNebula expertise and advance your career. Check out the next sessions and register here!

Knowledge Base Articles

Exclusive Resources for OpenNebula Subscribers

UEFI and Secure Boot provide enhanced security for virtual machines by ensuring only trusted firmware and OS components are executed. Enabling these features in OpenNebula requires configuring the Open Virtual Machine Firmware (OVMF) correctly.

Enabling UEFI and Secure Boot for OpenNebula VMs

To enable Secure Boot for x86 virtual machines in OpenNebula with KVM, follow these steps:

• Install OVMF: Ensure the required firmware package is installed on your OpenNebula nodes.
  • For CentOS: yum install -y OVMF
  • For Debian/Ubuntu: apt install -y ovmf
• Configure VM Templates:
  • Set CPU Architecture to x86_64
  • Choose Machine Type as q35
  • Enable Secure Firmware and specify the firmware path: /usr/share/OVMF/OVMF_CODE.secboot.fd

Learn more about configuring UEFI and Secure Boot in our detailed guide.

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