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The Xen Project

The Xen Project
The Xen Project™ develops virtualization technologies powering the world's largest clouds in production and is the foundation of many commercial products.

A Recap of the Xen Project Developer and Design Summit: Community Health, Development Trends, Coding Changes and More

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We were extremely thrilled to host our Xen Project Developer and Design Summit in Nanjing Jiangning, China this June. The event brought together our community and power users under one roof to collaborate and to learn more about the future of our project. It also gave us the opportunity to connect with a large group […]

Xen Project Spectre/Meltdown FAQ

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Google’s Project Zero announced several information leak vulnerabilities affecting all modern superscalar processors. Details can be found on their blog, and in the Xen Project Advisory 254. To help our users understand the impact and our next steps forward, we put together the following FAQ. Note that we will update the FAQ as new information […]

What’s New in the Xen Project Hypervisor 4.10

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I am pleased to announce the release of the Xen Project Hypervisor 4.10. As always, we focused on improving code quality, security hardening as well as enabling new features. The Xen Project Hypervisor 4.10 continues to take a security-first approach with improved architecture and more centralized documentation. The release is equipped with the latest hardware […]

Xen Project 4.7.4 and 4.9.1 are available

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I am pleased to announce the release of Xen 4.7.4 and 4.9.1. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.7 and 4.9 stable series update to the latest point release.These releases are available from their git repositories xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.7 (tag RELEASE-4.7.4) xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.9 (tag […]

Xen Project Membership Spotlight: Citrix

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The Xen Project is comprised of a diverse set of member companies and contributors that are committed to the growth and success of the Xen Project Hypervisor. The Xen Project Hypervisor is a staple technology for server and cloud vendors, and is gaining traction in the embedded, security and automotive space. This blog series highlights […]

A Brief Introduction to the Xen Project and Virtualization from Mohsen Mostafa Jokar

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Mohsen Mostafa Jokar is a Linux administrator who works at the newspaper Hamshahri as a network and virtualization administrator. His interest in virtualization goes back to when he was at school and saw a Microsoft Virtual PC for the first time. He installed it on a PC with 256 MB of RAM and used it […]

Xen Project Release v4.8.2

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I am pleased to announce the release of Xen 4.8.2. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.8 stable series update to the latest point release.The release is available from its git repository xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.8 (tag RELEASE-4.8.2) or from the XenProject download page […]

Xen: My GSoC experience: Fuzzing the hypervisor

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Five months ago, I had never even heard of fuzzing, but this summer, I worked on fuzzing the Xen Project hypervisor as a Google Summer of Code student. For everybody that is not familiar with fuzzing: it is a way to test interfaces. The most primitive form of it is to repeatedly generate random input […]

Recap of LinuxCon China and Xen Project’s Growth in the Region

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It’s been a very busy month or so for the Xen Project. During mid-June, I was lucky to attend and speak at LinuxCon + ContainerCon China held in Beijing. There I spoke on the topic of securing embedded systems with the hypervisor and live patching, virtual machine introspection and vulnerability management alongside my colleague Cheng Zhang of Citrix. […]

Xen Project 4.6.6 and 4.7.3 Are Available!

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I am pleased to announce the release of 4.6.6 and 4.7.3. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.6 and 4.7 stable series update to the latest point release.4.6.6 The release is available from its git repository http://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.6 (tag RELEASE-4.6.6) or from […]

What’s New in the Xen Project Hypervisor 4.9?

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I am pleased to announce the release of the Xen Project Hypervisor 4.9. As always, we focused on improving code quality, security hardening as well as enabling new features. Our approach to security is also the reason why we delayed this release by 3 weeks: security issues that were discovered during the hardening phase of […]

Automotive, Security and the Future of the Xen Project at The Xen Project Developer and Design Summit

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The Xen Developer and Design Summit schedule is now live! This conference combines the formats of the Xen Project Developer Summits with the Xen Project Hackathons. If you are part of the Xen Project’s community of developers and power users, come join us in Budapest, Hungary, July 11 – 13 for this must-attend event! The […]

Xen: Announcing the Windows PV Console Driver

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It has long been the case that all HVM guests under Xen are provided with a PV console. You can attach to this console in the same way that you attach to the console of a PV guest, by typing in the control domain: xl console name_of_guest Until recently there has been no Windows PV […]

Xen Updates on XSA-213, XSA-214 and XSA-215

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Today we released three patches for the following vulnerabilities: XSA-213, XSA-214 and XSA-215. Xen Project follows industry-accepted best practices regarding software security. This includes observing an embargo period, during which time the Xen Project security team will assess, respond, and prepare patches fixing the vulnerability, and distribute them privately to software and cloud providers before […]

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