This year's FOSDEM is now over, and I finally made it back home. FOSDEM was buzzing, there was great content, lots of beer, meeting old friends and makign new friends.…
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We do some automatic testing of the Xen hypervisor and tools branches. These tests form the "push gate" between the "staging" branch of xen-unstable (and the stable releases) and the…
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Xen.org blog already hosted a very nice post by Ian Jackson, greatly explaining how useful xen-tools is for automatically installing Debian (and Debian-derived) VMs. Now, if this all happens on…
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Xen.org wevents: ill host another Xen Document Day next Monday. We will also have a presence at the following open source FOSDEM, FOSSC-OMAN and SCaLE 11x
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What is Valgrind? Valgrind is a framework for building dynamic analysis tools. Several useful tools are included in the Valgrind distribution including tools to check dynamic memory usage (memcheck), a…
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I am pleased to announce the release of Xen 4.2.1 and Xen 4.1.4. These are available immediately from the following locations Xen 4.2.1: mercurial repository (tag RELEASE-4.2.1) or via the…
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After concluding our poll about changes to the security discussion, we determined that "Pre-disclosure to software vendors and a wide set of users" was probably the best fit for the…
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The “Normal†Case To explain what is a Stub-Domain (often called stubdom), let’s start with the basics. When you start a new guest with Xen, you would need a Device…
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Xen.org is happy to announce that XCP 1.6 has been released! The release is available from the download page: XCP 1.6: Download (Xapi source) New features and Improvements XCP 1.6…
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The blkback/blkfront drivers developed by the original Xen team was lightweight and fast zero-copy protocol that has served well for many years. However, as the number of physical cores and…
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A couple of weeks ago I went to Copenhagen to attend Linaro Connect and Ubuntu Developer Summit for the first time. I was really impressed by the size of the…
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In part 1 of this series, I introduced the concepts of full virtualization and paravirtualization (PV), as well as the hardware virtualization (HVM) feature used by Xen (among other things)…
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At XenSummit 2012 in San Diego, Mukesh Rathor from Oracle presented his work on a new virtualization mode, called "PVH". Adding this mode, there are now a rather dizzying array…
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One of the issues in any software project can be the disconnect between what users want or would find useful, and the developers' idea of what users want or would…
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Last weekend Linus Torvalds pulled the Xen on ARM patches in his Linux tree, so as of Saturday the 7th of October, we have Xen ARM in upstream Linux! This…
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Xen.org is happy to announce that XCP 1.6 Beta is available! The release is available from http://xen.org/download/xcp/index_1.6.0.html See the relelase notes for more details: http://xen.org/download/xcp/release_notes_1.6.0.html
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This is another post in a series pointing you to noteworthy XenSummit presentations. This week I will be covering Xen integrations with Apache Cloudstack and OpenStack: Xen and CloudStack: Ewan…
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Figuring out "what's going on?" is always something very important. For example, knowing what processes were running on which processors can be very useful if you are doing OS development…
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This is the second blog post in a series pointing you to noteworthy XenSummit presentations. This week I will be covering seemingly unrelated topics - but you will realize they…
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Xen.org is pleased to announce the release of Xen 4.2.0. This release is the culmination of 18 months and almost 2900 commits and almost 300K lines of code of development…
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This will be the first blog post in a series pointing you to noteworthy XenSummit presentations. This week we will cover project roadmap and futures presentations. Note that you can…
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Xen has always supported a wide variety of operating systems as guests while the host-side has always been less bright. Infact, at the moment, most of the host choice is…
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Last week, has been a great week for our community. We had the Xen Developer Meeting, XenSummit and a presence at Linux Plumbers Conference, LinuxCon and CloudOpen. It has been…
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Just a quick update on the Xen 4.2 release. 4.2.0-rc3 was released on 23 August and we intend to release rc4 around the end of the week. Barring any last…
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I'd like talk about the xen-tools package, which is found in Debian-derived distros. It's a straightforward Xen VM provisioning tool with an unusual but attractive approach. I use it in…
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