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Xen

Maintain Michael Young’s xen-4.0.0-0.2.rc4.fc12.src.rpm in sync with http://xenbits.xensource.com/xen-unstable.hg

03/06/2010  
Michael Young wrote xen-4.0.0-0.2.rc4.fc12.src.rpm for Xen-4-rc4 for Fedora 12 to install Hypervisor (changeset 20950). Schema bellow modifying content of mentioned src.rpm allows to build set of RPMS upgrading Xen Hypersor 4.0 matching current tip CS of http://xenbits.xensource.com/xen-unstable.hg,no matter of rc4 in fact, via hot upgrade without rebuilding development Xen System on top of F12 with recent PVOps kernel 2.6.32.9. Directory gemu-xen.git is only determined by value of QEMU_TAG in Config.mk file under xen-unstable tree clone.
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The Book of Xen (Review)

03/06/2010  
This is the best book i’ve ever read in my life about architecture of Xen Hypervisor, concepts of paravirtualization, dom0,domU, performance advantages of PV guests. I would say that core theoretical background of Xen Hypervisor is written pretty clear. It brings comprehension of Xen to persons, which even wouldn’t be willing to work on this topic too much. The last is very important from my standpoint.
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Completely functional virsh (Libvirt 0.1.7-15)& GRUB2 Support at Xen 3.4.3 (pvops 2.6.32.9) on top of F12

03/04/2010  
Recent pulling GRUB2 supporting CSs into xen-3.4-testing.hg immediately makes sense to build xen 3.4.3-2.fc12.src.rpm to be able to set up current version of 3.4.3 Xen Hypervisor on Fedora 12 working pretty smoothly with Libvirt packages ( vs Xen 4.0) and the at same time supporting GRUB2 PV DomUs , say Ubuntu 9.10 Server or Debian Squeeze.
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Set up Ubuntu Karmic Server (Grub2) PV Guest at Xen 4.0-rc4 Dom0 (2.6.32 pvops) on top of Fedora12

02/22/2010  
Due to set of CSs for GRUB 2 Support written by Ian Campbell usual sharing image devices between Ubuntu Karmic Koala Server HVM and PV Guests appears available at Xen-4.0 Linux Dom0. Fedora 12 has been selected due to presence of Libvirt 0.7.1 providing virt-install and virt-manager utilities.
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Get Xen VM IP address, without login to guest

02/08/2010  
I have looked around the way to find the IP address for Xen guest without login to guest. There were couple of posts and Xen FAQ which list some methods. The following code is very similar to Xen FAQ post in Network section.
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Set up OSOL PV Guests (build<=131) via virsh on Xen 3.4.3 Dom0 on top of Ubuntu 9.10 Server

02/06/2010  
This posting is actually responding recent entry in Martin's BlogOpenSolaris 2009.06 domU on opensuse 11.2 dom0 Martin states:- Then I tried out a number of current linux distributions, but except for openSuSE none had a dom0 kernel out of the box which really is a shame. Seems I need to look more closely into KVM with virtio support. Via article bellow i try to explain that due to efforts of Jan Beulich and Andy Lyon xenified aka Suse Kernel 2.6.31.8(9) may be built on any Linux and along with the most recent stable Xen Hypervisor (3.4.2 and higher) port provide Xen Environment supporting OpenSolaris PV Guests , including the most recent unstable builds like 129,130,131 ( i mean vncserver behavior on OSOL PV DomU and GDM/VNC setup ).
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Virsh (Libvirt 0.7.2)& managing PV DomUs on openSUSE 11.2

01/10/2010  
Recent“zypper update” on November’s openSUSE 11.2 release brought system to the most recent status. Current 2.6.31.8-xen kernel works fine. Seems like a next generation of xenified aka Suse kernels is on the go right now. However, i believe,that vm-install on recently updated 11.2 works same way asbefore maintenance update. So, in meantime vm-install doesn’t inderstand either HTTP or CDROM sources attempting to create PV Guest and virsh scripting appears to be the only one option to create Xen PV Guests manageable via virt-manager. Notice, that F12 PV Guest install doesn’t require HTTP or NFS share , pygrub performs install just via F12 ISO image , like OpenSolaris PV Guests get installed as usual.
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An API for easy Linux virtualization

01/09/2010  
The libvirt library is a Linux API over the virtualization capabilities of Linux that supports a variety of hypervisors, including Xen and KVM, as well as QEMU and some virtualization products for other operating systems. This article explores libvirt, its use, and its architecture.
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How To Modify Your Gnu/Linux Box To Serve As A USB Over IP Server

01/07/2010  
There was a long time that I was looking for a way to put away my old CRM server! But why? Because I had installed a virtualization environment with Xen and all my servers are turned to small VPS on a nice pretty infrastructure. The base point was that the CRM had a USB/Lock and there was no way to take the lock under a virtualized VPS. This tutorial shows how you can set up a USB-over-IP server.
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Set up Xen 3.4.3-rc1& Libvirt 0.7.0 Dom0 (with 2.6.31.8 xenified aka Suse kernel) on top of Ubuntu 9.10 Server

01/04/2010  
Install Libvirt 0.7.0 along with KVM creates environment with default Hypervisor QEMU . Two steps in procedure bellow makes Xen default Hypervisor on Ubuntu 9.10 .
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Showing 10 articles of total 34207 in database ( English).

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