Welcome to our newsletter! In this edition, we invite you to explore our latest updates, key event highlights, exciting future plans, and more. Stay informed about what’s new and what’s coming up!
2024: A Year of Growth and Innovation for OpenNebula
2024 was a transformative year for OpenNebula, marked by significant milestones in team expansion, technological breakthroughs, and strategic collaborations. Dr. Ignacio M. Llorente highlights our key achievements, including the release of OpenNebula 6.10 and the upcoming 7.0, reinforcing our leadership in next-gen cloud and edge computing. Read more here.
Technology
This month, we released OneApps 6.10.0-3, the final maintenance update in the 6.10 series. These updates notably enhance Windows support, add ARM platform compatibility, and improve AI/ML capabilities with the introduction of the new Ray appliance. These improvements continue to strengthen OpenNebula’s position as a flexible and powerful cloud platform for modern workloads.
Additionally, in response to the increasing adoption of multi-cloud environments by organizations seeking to enhance agility, resilience, and competitiveness, we have published a blog with a step-by-step guide on deploying multi-cloud applications with OpenNebula. Read more here.
📡 MESSAGE FROM THE ENGINEERING DECK
This month the team has been busy with several releases. A new one-apps release (v6.10.0-3) was published with new features including support for AlmaLinux 10. Also a new maintenance release of the Enterprise Edition of OpenNebula is available (6.10.2). We are working on closing the roadmap for the upcoming OpenNebula 7.0, which will come with many, many (did we say many?) stunning new functionality. Stay tuned!Innovation
OpenNebula Systems Leads Launch of Europe’s First Sovereign Edge Cloud
Our European branch is proud to announce the launch of virt8ra, Europe’s first sovereign edge cloud, in partnership with eight European tech organizations. Backed by the EU’s €3B IPCEI Cloud initiative, virt8ra will deliver scalable, interoperable cloud solutions, advancing digital sovereignty with open source technology. Check out the full press release here.
Experiences
OpenNebula Reviews on Gartner
Discover what users are saying about OpenNebula on Gartner Peer Insights! This 5-star review highlights how OpenNebula offers a reliable, cost-effective, and easy-to-maintain solution, providing businesses with full control over their cloud environments and infrastructure.
Read the full review here.
Are you using OpenNebula? We’d love your feedback! Submit your review here to help us improve our services.
Optimizing Cloud Management for Enterprise Environments
Our latest white paper highlights the key differences between OpenNebula and Proxmox VE, showcasing how OpenNebula is more scalable for enterprise cloud management. Learn how we offer advanced features, flexibility, and strong support tailored for complex environments. Read more here.
Media Publications
Exploring VMware Alternatives and the Future of Cloud with OpenNebula Systems
In this interview, Michael Abdou talks to Channel Insider about how OpenNebula offers a flexible and cost-effective alternative to VMware. As businesses rethink their cloud strategies due to rising public cloud costs and concerns over hyperscaler dominance, OpenNebula Systems’ solutions are gaining more attention. Read the full article here.
Outreach
Webinars
In January, we hosted two training sessions and one product webinar. For the first training, we covered the basics of operating OpenNebula — if you missed it, be sure to check out the recording here. The second training focused on how OpenNebula simplifies and empowers multi-tenancy—watch it here. Finally, we held a webinar offering a deep dive into OpenNebula Formation (OneForm), a powerful open source tool for cloud design. For more information, you can watch the webinar recording here.
TechDay Brussels
We hosted TechDay in Brussels, the first virt8ra Integration TechDay, bringing together experts and partners for sessions on cloud/edge integration, appliance deployment, and software-defined extensions. Look out for the full event summary coming soon.
FOSDEM 2025
FOSDEM in Brussels brought together thousands of developers from around the world on February 1-2. We’re thrilled to have contributed with a record four talks from our experts in the Virtualization and Cloud Infrastructure DevRoom. Stay tuned for a recap of our experience.
The State of Open Con
Francisco Picolini spoke at State of Open Con 2025 in London on February 4. He explored open source’s role in digital sovereignty in Europe, focusing on the IPCEI-CIS project and sovereign multi-cloud solutions. Learn more here.
What’s Coming in February (and March!)
Webinars
We have two upcoming webinars this February, including:
- OneSwap In Action: Effortless Migration From VMware—February 6 at 5 PM CET. Learn more and register here.
- An Introduction to OpenNebula Operations—February 12 at 5 PM CET. Learn more and register here.
TechDays
- Techday Bilbao: Co-organized with IKERLAN. Join us on February 21. For more details and the agenda, click here.
- Techday Barcelona: Join us on February 25 for an exclusive event designed to simplify your migration journey. Learn more here.
Meet Us at Mobile World Congress 2025
We’re excited to announce that we will be attending MWC Barcelona 2025, from March 3–6.
- Interested in Re-Virtualization? Let’s schedule a meeting to dive deeper into how OpenNebula is transforming network infrastructure. More details can be found here.
- Curious about how OpenNebula can support your AI workloads? Stop by our booth and connect with our team to explore our solutions. Schedule a meeting here and find more details in our blog post.
Meet Us at CloudFest
We will be at CloudFest 2025 from March 17-20 in Europa Park, Germany. Visit us at booth R34 to explore OpenNebula 7.0, featuring AI-driven innovations and learn why it’s the ideal VMware alternative. Schedule a meeting with our team and find a special offer in our blog post.
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. Keep an eye out for upcoming sessions!
Knowledge Base Articles
Exclusive Resources for OpenNebula Subscribers
As cloud environments grow, maximizing resource utilization becomes essential. Overcommitment is a powerful technique that allows you to allocate more virtual resources than physically available, ensuring better cost efficiency and performance without compromising stability.
Virtual machines rarely use all their allocated resources, so OpenNebula provides two key ways to control the number of VMs assigned to a Host:
- Adjusting VM capacity requests: Modify CPU allocation per VM to fit more workloads per host.
- Adjusting announced Host capacity: Use the RESERVED_CPU parameter to increase the number of VMs a host can support.
Learn how to combine these methods and adapt them to your infrastructure needs in our latest guide on Overcommitment.
Access these and more exclusive resources in our Knowledge Base to optimize and future-proof your cloud infrastructure.
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