Xen Project (Hypervisor)

Join us in Chicago August 18-19 The Xen Project Developer Summit will feature content for developers, integrators and power users of the Xen Project. We are looking for presentations related to development, such as development proposals, updates on ... [More] feature development, project updates, etc. We are also looking for insight into best practices in deploying Xen Project at [...] [Less]

The Xen Project is pleased to announce that we have been accepted to participate in this years Google Summer of Code and that the Xen Project will also participate in Round 8 of the Gnome Outreach Program For Women.  Google Summer of Code You can find our project list and more information on how to chose projects, apply [...]

Currently the Xen Project’s automatic testing setup runs on a small set of hardware in space borrowed from Citrix. Because it’s on the Citrix network, it’s not possible to give access to other community members. The underlying systems are creaking rather. And the system is too small – we already find that testing is rather [...]

The Xen Project is pleased to announce the availability of  two maintenance releases: Xen 4.3.2 and Xen 4.2.4. Xen 4.3.2 Release This release is available immediately from the git repository: ... [More] http://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.3 (tag RELEASE-4.3.2) or from the XenProject download page: http://www.xenproject.org/downloads/xen-archives/supported-xen-43-series/xen-432.html This fixes the following critical vulnerabilities: CVE-2013-2212 / XSA-60    Excessive time to disable caching with [...] [Less]

Today I’d like to talk about a functionality of Xen you may not have heard of, but might have actually used without even knowing it. If you use memory ballooning to resize your guests, you’ve likely used “populate-on-demand” at some point.  As you may know, ballooning is a technique used to dynamically adjust the physical memory [...]

As usual, the first weekend of February (1st & 2nd Feb this year) is FOSDEM weekend. Taking place at “ULB Solbosch Campus, Brussels, Belgium, Europe, Earth”, FOSDEM is the Open Source event of the year. At least for Europe: the website claims that FOSDEM hosts 5,000+ geeks and hackers and 512 lectures! But it doesn’t stop [...]

The Linux v3.14 will sport a new mode in which the Linux kernel can run thanks to Mukesh Rathor (Oracle). Called ‘ParaVirtualized Hardware,’ it allows the guest to utilize many hardware features – while at the same time having no emulated devices. It is the next step in PV evolution, and it is pretty fantastic. [...]

As most FreeBSD users already know, FreeBSD 10 has just been released, and we expect this to be a very good release regarding Xen support. FreeBSD with Xen support includes many improvements, including several performance and stability enhancements ... [More] that we expect will greatly please and interest users. With many bug fixes already completed, the following [...] [Less]

Originally posted on my blog, here. Xen has had a long history in libvirt.  In fact, it was the first hypervisor supported by libvirt.  I’ve witnessed an incredible evolution of libvirt over the years and now not only does it support managing many hypervisors such as Xen, KVM/QEMU, LXC, VirtualBox, hyper-v, ESX, etc., but it [...]

Release time is approaching, so Xen Project Test Days have arrived! On Monday, January 20, we are holding a Test Day for Xen 4.4. Release Candidate 2. Xen Project Test Day is your opportunity to work with code which is targeted for the next release, ensure that new features work well, and verify that the [...]