Planet Hypervisor

Xen Orchestra 5.20

Our monthly release is here, with a bunch of new features and bug fixes. Time to update and discover what's new! XCP-ng updates Xen Orchestra is now able to update your XCP-ng hosts directly from the UI! This is a major improvement in XCP-ng usability, without sacrificing our promise to

Xen Orchestra backup concurrency

Backup concurrency is a vast topic. Since we added new features in XO 5.20 to handle it, we wanted to give a recap on how it works. There are multiple concurrency levels, for a lot of reasons. But first lets explain some basics. Backup process 1. Snapshot creation When

XenServer 7.5

One release per quarter - this is the CR cycle of Citrix. And now the latest release is available: XenServer 7.5! What's new? The official changelog is here, but here is a simple recap. Increased pool size You can now run pools with up to 64 hosts! That's really

XCP-ng updates from Xen Orchestra

You may already know: we decided to include a better update mechanism in XCP-ng (vs XenServer). We are using the CentOS method with yum. However it would also be interesting to update directly from a UI, and also to avoid updating each host one by one. Guess what? That's why

qcontrol 0.5.6

Fix for kernels which have permissions 0200 (write-only) on gpio export device. Updates to systemd unit files. Update to README for (not so) new homepage (thanks to Martin Michlmayr). Add a configuration option in the examples to handle QNAP devices which lack a fan (Debian bug #712841, thanks to Martin Michlmayr for the patch and to Axel Sommerfeldt). Get it from git or http://www.hellion.org.uk/qcontrol/releases/0.5.6/. The Debian package will be uploaded shortly.

Citrix Announces General Availability of XenServer 7.5 CR

Hello everyone, This week Citrix released the latest version of XenServer: 7.5 CR. For those unfamiliar with the LTSR and CR release models offered by Citrix, please refer to the recent article published on the Citrix blogs that explains the difference between the two release models. So what’s new in 7.5 you may be asking? Great question! Before I answer this question however, I’d like to remind everyone of the many features we’ve introduced since the release of 7.1 (LTSR) back in February 2017, starting with 7.1 itself. 7.1 LTSR features: Automated updates to simplify host maintenance Delivering Windows VM drivers via Windows updates (WSUS) Health Check (via Citrix...

Visiting the camels - MirageOS spring hack retreat 2018

Original posted on linse's blog. Image by Luc Viatour / https://Lucnix.be In March 2018, I attended my first MirageOS hack retreat in Morrocco. MirageOS is a library operating system which allows everyone to build very small, specialized operating system kernels that are intended to run directly on the virtualization layer. The application code itself is the guest operating system kernel, and can be deployed at scale without the need for an extra containerization step in between. It is written in OCaml and each kernel is built only with exactly the code that is necessary for the particular application. A pretty different approach from traditional operating systems....

XenServer 7.4 Available for Download!

Hello XenServer community, It is our pleasure to announce the release of 7.4, the latest update in the CR release track. XenServer 7.4 offers customers following the CR release track access to the latest product features designed to enhance application, desktop and server virtualization deployments. For customers running XenServer 7.3 (up until now the most recent CR), Citrix recommends upgrading to 7.4 at the earliest convenience to maintain support. For customers following the LTSR release track (starting with XenServer 7.1 LTSR), Citrix recommends reviewing the XenServer 7.4 release notes to determine if 7.4 would deliver additional benefits to their virtual environments. Note: The decision...

MirageOS running on the ESP32 embedded chip

Now that the winter holiday break is over, we are starting to see the results of winter hacking among our community. The first great hack for 2018 is from Sadiq Jaffer, who got OCaml booting on a tiny and relatively new CPU architecture -- the Espressif ESP32. After proudly demonstrating a battery powered version to the folks at OCaml Labs, he then proceeded to clean it up enough tha it can be built with a Dockerfile, so that others can start to do a native code port and get bindings to the networking interface working. Read all about it on Sadiq's...

MirageOS Winter 2017 hack retreat roundup

MirageOS Winter Hack Retreat, Marrakesh 2017 This winter, 33 people from around the world gathered in Marrakesh for a Mirage hack retreat. This is fast becoming a MirageOS tradition, and we're a little sad that it's over already! We've collected some trip reports from those who attended the 2017 winter hack retreat, and we'd like to thank our amazing hosts, organisers and everyone who took the time to write up their experiences. We, the MirageOS community, strongly believe in using our own software: this website has been a unikernel since day one^W^W it was possible to run MirageOS unikernels. In Marrakesh...