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Latest Xen Project Blog Posts

Xen Project 4.5.5 Maintenance Release is Available

I am pleased to announce the release of Xen 4.5.5. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.5 stable series update to this point release. Xen 4.5.5 is available immediately from its git repository:     xenbits.xenproject.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.5     (tag RELEASE-4.5.5) or from the Xen Project […]

PV Calls: a new paravirtualized protocol for POSIX syscalls

Let’s take a step back and look at the current state of virtualization in the software industry. X86 hypervisors were built to run a few different operating systems on the same machine. Nowadays they are mostly used to execute several instances of the same OS (Linux), each running a single server application in isolation. Containers […]

Virtual Machine Introspection: A Security Innovation With New Commercial Applications

The article from Lars Kurth, the Xen Project chairperson, was first published on Linux.com. A few weeks ago, Citrix and Bitdefender launched XenServer 7 and Bitdefender Hypervisor Introspection, which together compose the first commercial application of the Xen Project Hypervisor’s Virtual Machine Introspection (VMI) infrastructure. In this article, we will cover why this technology is […]

Latest Planet Blog Posts

Xen Orchestra 5.0

New major release of Xen Orchestra, bringing XenServer to the Cloud!

Resetting Lost Root Password in XenServer 7.0

XenServer 7.0, Grub2, and a Lost Root Password In a previous article I detailed how one could reset a lost root password to XenServer 6.2.  While the article is not limited to 6.2 (it works just as well for 6.5, 6.1, and 6.0.2), this article is dedicated to XenServer 7.0 as grub2 has been brought in to replace extlinux. As such, if the local root user's (LRU) password for a XenServer 7.0 is forgotten physical (or "lights out") access to the host and a reboot will be required.  The contrast comes with grub2, the methods to boot the XenServer 7.0 host into single...