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Page 1: How to Install & Configure Xen Virtualization in OpenSUSE 11

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How to install & configure Xen Virtualization in openSUSE 11.0

Posted by admin on July 30th, 2008

Virtualization cannot be that simpler than in openSUSE 11.0. In openSUSE

11.0, Xen Virtualization ins pre-built and all it takes is a few clicks away from up

and running with Virtualization in no time. Xen is a virtual machine monitor for

x86 that supports execution of multiple guest operating systems with

unprecedented levels of performance and resource isolation. This package

contains the Xen Hypervisor.

To install Xen Virtualization in openSUSE 11.0,

From the KMenu, click Applications – System – Virtualization – Install

Hypervisor Tools

This will start the installation and will show a list of packages to be installed. Click Install

Ads by Google VMware Server Linux Install Drivers Xen Virtualization SuSE Linux

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This will start downloading the Xen Virtualization packages and the modified kernel for Xen virtualization.

Once the installation is completed, it will prompt you to reboot and start the system by selecting the openSUSE option with Xen kernelfrom the list. To confirm the boot loader entry in GRUB, click KMenu – Computer – YaST – System – Boot Loader and you should

see the “Xen — openSUSE 11.0 – 2.6.25.11-0.1″ in the list.

Reboot your PC and select “Xen — openSUSE 11.0 – 2.6.25.11-0.1″. This will boot openSUSE with the modified kernel which

supports Xen virtualization and everything else loads normally. Now, from the KMenu – Applications – System – Virtualization –

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“Create Virtual Machines” to start creating virtual machines.

From the wizard, click Forward from the welcome screen and select “I need to install an operating system” or if you already had a Diskimage select the option to select a disk or disk image and click Forward.

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Select the type of operating system and click Forward.

Select the Virtualization type and click Forward. The default is “Paravirtualisation”

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This brings up the final summary. Any change to any settings can be changed from here. For instance to add a CDROM or a ISO

images, click Disk and then click CDROM and add the CDROM drive or the ISO image.

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When all the changes are complete. Xen launches the Xen image under a TightVNC session. Now, you are up and running with Xen

Virtualization in openSUSE 11.0

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This entry was posted on Wednesday, July 30th, 2008 at 3:34 pm and is filed under General. You can follow any responses to this entrythrough the RSS 2.0 feed. You can leave a response, or trackback from your own site.

67 Responses to “How to install & configure Xen Virtualization in openSUSE 11.0”

1. Bolek Says: August 2nd, 2008 at 2:34 pm

Hmm, it’s not so easy if the hardware is not fully supported by Xen. I have ACER AMD64 dual core and yet I wasn’t able tosuccessfully build a single virtual system on it using Xen (no problems with VMware or Virtual Box).

I had numerous issues booting to Xen kernel (for example with USB storage) and once booted, the only option available wasparavirtualization and full virtualization wasn’t an option.

All and all, I would venture out and say that Xen is not fully mature yet for the big time, even though, some try to push and makeyou want to believe it is so.

2. Stephen Shaw Says: August 2nd, 2008 at 5:02 pm

@Bolek: its even easier than this if you install it from the beginning I have several xen guests all paravirtualized that didn’t take

that much effort to get up and running. XEN has worked great for me on my servers. Almost 100% uptime since I installed them.

6:20pm up 246 days 18:11, 1 user, load average: 0.13, 0.05, 0.01

I think its ready, at least for my purposes. I’m not saying that your average joe can do it with just click buttons and checkingcheckboxes. At the same time, I don’t believe that it necessarily should be that way. Would you hire an average joe to setup and

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maintain an enterprise data center? I should clarify that i don’t really view xen as a desktop solution.

3. Bolek Says: August 2nd, 2008 at 7:48 pm

I have heard the “average Joe” argument many times. However, knowing current trend in IT industry it no longer holds water.

Unless you have tools to easily configure guests, reconfigure them, migrate and so on, it will be always on the fringes of enterprise

deployment. It goes nowhere near the ease of use when you compare it to VMware. And I am not advocating for one or theother. I merely point out the obvious. Part of growing is the recognition of strengths and weaknesses. Management of Xen is still

its Achilles heel (providing you are lucky enough to make it work).

What might work for you, might not work in the enterprise. Again, I hope you read my comment about Xen kernel having

problems with off the shelve hardware. It’s not an ‘average’ Joe issue. That was my point.

I am glad that it is working for you, but this is not the argument nor the criteria that makes it ready for everyone else.

4. brian Says: August 5th, 2008 at 6:12 am

I’ve followed all the steps outlined but when i click ok after selecting the OS (OpenSuSE 11), i get an alert that there’s not

enough memory. What to do?

5. admin Says: August 5th, 2008 at 7:13 am

I think you should check the space on your /var FS

6. Anand K Says: August 6th, 2008 at 12:44 am

If I have the Nvidia and atl2 driver modules configured (as installed via Yast), how easily can I create a Xen kernel with both

Nvidia and atl2 modules?Is there a shortcut, or I will have to do it the manual (hard ) way?

7. Destroyed windows partition Says: August 6th, 2008 at 3:05 pm

I used the same process described above and tried to configure a winxp guest OS with the option “I have a disk or disk image

with an installed OS”. Basically my pc is a dual-boot system with opensuse installed on one drive (/dev/sdb) and winxp installedon another drive (/dev/sda). On opensuse the winxp partition (NTFS) is mounted on /mnt/windows. So, in the virtualization

“Disks” option, I specified “file:/mnt/windows” and clicked ok. This totally destroyed the winxp partition. Now my pc just does

not boot from winxp. On top of that the winxp drive can’t even be mounted as a data drive become the filesystem itself isdamaged. Why has opensuse released such a buggy tool that can end up destroying the user’s windows OS?

8. windows xp partition totally destroyed by xen/virtualization - openSUSE Forums Says: August 9th, 2008 at 12:25 pm

[...] live-CD. On linux, my winxp NTFS partition is mounted on /mnt/windows. I followed the tutorial in How to install &

configure Xen Virtualization in openSUSE 11.0 | SUSE & openSUSE to configure a guest OS using the xen-based virtualizationfeature available in YAST2. Basically, [...]

9. laurent Says: August 10th, 2008 at 8:46 am

hi all,

i used exactly the same process described above, but when i apply :

” the installation source is unusable

/boot/i386/vmlinuz-xen/boot/i586/vmlinuz-xen

/INDEX.gz”

I’m using the same iso that i’ve used for installing my suse

thank you

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10. admin Says: August 10th, 2008 at 8:56 am

Are you mounting an DVD or a CD ISO image? Is it a 64bit or a 32bit OS iso?

11. laurent Says: August 11th, 2008 at 2:24 pm

hi,

i’m mounting a cd 32bits os iso image.

thx again.

12. sam Says: August 13th, 2008 at 8:30 am

Hello,

Is opensuse 11 support paravirtualisation?

also, I try to run Opensuse 11 on SLES 10sp1 but I don’t have the right os type choice…

( I only see opensuse, not opensuse 11)

How could I Update the list?

Thanks!

13. rob Says: August 19th, 2008 at 1:00 pm

Hello,

I did everything written above but when; Quote [ Reboot your PC and select “Xen — openSUSE 11.0 - 2.6.25.11-0.1″. This

will boot openSUSE with the modified kernel which supports Xen virtualization and everything else loads normally.] End quote

I didn’t load normally but hangs in the nongraphical mode (textmode) in runlevel 5. I can’t do anything from here. Does anyoneknow a solution??

Thanks.

14. admin Says: August 19th, 2008 at 1:53 pm

may sound stupid, but do u have ur network cable connected to ur NIC …

15. Virtual Machine? - (what's easy and stable) - openSUSE Forums Says: August 21st, 2008 at 5:27 pm

[...] don’t support full virtualization." (I’m guessing I found a bug…) I tried following: How to install & configure Xen Virtualization

in openSUSE 11.0 | SUSE & openSUSE …and that’s how I managed to get the error on my TL-52′s I thought maybe VMWare

might be more [...]

16. Fix Xen for nVIDIA use Says: August 22nd, 2008 at 12:19 pm

Xen and nVidia do NOT MIX.

17. George Says: August 26th, 2008 at 2:57 pm

virtualization security…

I can’t believe I missed this! I’m going to have to do some more reading me thinks….

18. Ravii Says: August 27th, 2008 at 1:16 pm

I have the same problem with Xen and nVidia drivers on openSUSE 11 x64(booting with Xen kernel leaving me in console mode

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with low resolution).

Did anybody know a working alternative for Xen?I have tried VirtualBOX but it didn’t work(I can only create a virtual hard drive, but it want to load a module that can’t be

loaded).

Regards

19. DC-K Says: August 28th, 2008 at 6:39 am

I get the same as rob, grub option sends me to cli login – what’s going on?

20. HS Says: August 30th, 2008 at 4:19 am

After Installation of XEN and Reboot my PC and select “Xen — openSUSE 11.0 – 2.6.25.11-0.1″I am in command mode butnot in KDE 4 menu. How can I swap to KDE 4 menu?

21. Ravii Says: August 30th, 2008 at 5:06 am

@HS you probobly have nVidia drivers installed on your machine… Try to change name NVidia to nv in xorg.conf file. it might

help, but you will lose 3d acceleration.

22. DC-K Says: August 30th, 2008 at 10:46 am

Thanks Ravi, Xen now boots into KDE

23. HS Says: August 30th, 2008 at 11:49 am

Thanks Ravii. But in which folder can I find xorg.conf?

24. Ravii Says: August 30th, 2008 at 11:57 am

I’m glad that it helps. Could you tell me please, do you have acceleration now(I’ve tried to change nVidia to nv some time ago)?

Btw. I’m running now on virtualBOX it’s stable like Xen.

Regards

25. admin Says: August 30th, 2008 at 1:40 pm

@HS its /etc/X11/xorg.conf

26. DC-K Says: September 1st, 2008 at 11:39 am

Ravii, 3d acceleration not available for me when I replace nvidia with nv. I may try virtual box but i kept getting the kernal notfound error running the setup

27. John Says: September 4th, 2008 at 4:10 pm

The installation was great and it runs but!!!! I reboot and I have to start all over and rebuild my guest machines again. Granted I

can use the hard drive file to rebuild but is there a way to just restart the virtual machines?

I have SuSE 11.0 running with 4 Gig of ram in a software RAID on an ASUS board M2N-LR

28. Xen - openSUSE Forums Says: September 7th, 2008 at 6:01 pm

[...] actually rebooted into the xen kernel ? Hypervisor does not run if u boot into the normal kernel. Here is a step by step tutorialto [...]

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29. Miked Says: September 7th, 2008 at 6:34 pm

I just installed OpenSuse 11 on my pc.

It installs just fine. I have a Foxconn 780G mobo, AMD X25000+ with 4G ram. The OS is installed over 2 250G SATA drives

in raid 1 (boot, root and swap have their own raid 1 devices). I had just a plain VESA 1024×768 at 16bit color. No AMD

Catalyst Drivers installed. Booted up perfectly and I had installed the virtialization with the OS.

Upon installing the hypervisor and rebooting into the Xen Kernel I too am dropping into the CLI after the X server fails to start. I

am not using any aftermarket X drivers for display its set for VESA at 1024×768. I will install it on my HP Proliant server at work

with an intel chipset this week to see if that works.

This really sucks because I can get Xen 3.2 working fine in Ubuntu 8.04 Server but VNC doesn’t work well at all to install

windows 2k3 and the X windows needs a generic, non server/xen, kernel. OpenSuse 11 works wonders for GUI but I can’t get

Xen to work.

Bah I say.

30. Ravii Says: September 7th, 2008 at 10:31 pm

@DC-K, I have also that error, but you must do(as a root):

1) go to: /etc/init.d/ and run: vboxdrv setup

2) modprobe vboxdrv(after every reboot;( )3) add users to vbox users group

4) run virtualBox.

Now it will work fine(but I don’t know how to run it whitout doing modprobe vboxdrv). Now on my laptop(c2d 2GHz, 2GB

RAM, GF8600) I have running on OpenSUSE 11(as a host), Windows Xp, Windows Server 2008 as a guest systems, it’s

works great and You don’t loose 3d acceleration on openSUSE.

Regards

31. DC-K Says: September 8th, 2008 at 4:45 am

thanks again Ravii, I’ll give it a go

D

32. will Says: September 9th, 2008 at 1:42 pm

2) modprobe vboxdrv(after every reboot;( )

-yast > system > system services(runlevel)-tick “expert mode”

-wait a while so the services status can get refreshed, scroll down and click on “vboxdrv”

-at the bottom, tick “2″, “3″ and “5″ (starts vboxdrv in runlevels 2 / 3 / 5)

-click finish

done!

33. Ravii Says: September 9th, 2008 at 9:45 pm

Thanks Will, I’ll need to try this

Regards

34. Peter Says: September 24th, 2008 at 5:54 am

Getting Opensuse 11 up and running was no problem. But, when I install Xen and boot with the xen kernel (2.6.25.16-0.1-xen)

the network connection is lost. Booting with the normal kernel everything works fine. People are having similar network problems

with the Xen kernel in Ubuntu 8.04 .

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Any ideas? Is there a problem in this specific version of the kernel? How can I try out different xen kernel versions?

35. Peter Says: September 26th, 2008 at 7:02 am

Found asolution to my own problem. the OS was resetting my DNS addresses in /etc/resolv.conf. Added the immutable attributeto this file to prevent it from being overwritten.

36. HS Says: September 27th, 2008 at 12:39 pm

I have the same problem like Peter. which attribute can make DNS addresses immutable?

In /etc/resolv.conf I have correct DNS addresses!

37. Peter Says: September 27th, 2008 at 12:49 pm

@HS: sudo chattr +i /etc/resolv.conf

After I did this, the DNS settings were intact even after reboot.

38. HS Says: September 27th, 2008 at 1:28 pm

you mean after DNS addresses I have to write +i ?

39. Peter Says: September 27th, 2008 at 1:35 pm

@HS: No, you make the whole resolv.conf file immutable. Type it on the command line. Please note that this means that you have

to set correct DNS IP-addresses in resolv.conf first. And, if you want to change DNS servers you have to edit this file manually

from now on.

40. HS Says: September 27th, 2008 at 1:52 pm

thank you Peter. I will try it.

41. HS Says: September 29th, 2008 at 3:54 am

I tried, but I have no connection to internet. Server is directly connected to the router (DSL).

42. Peter Says: September 29th, 2008 at 11:59 pm

Ok, I got Xen up and running as well and created three VM:s (all Opensuse 11). However, the server becomes very unstable

after a while and will lock up completely after an hour or so although there is no activity on the VM:s. I decided to try the freeVMWare server and was up and running in under an hour. It has been stable for 24 hours now.

43. Alex Trinkl Says: October 6th, 2008 at 6:51 am

I tried a new setup, openSuse 11.0, Linux 2.6.25.5-1.1-xen i686, kde 4.0.4 on a Pentium4, 2.8GHz,

I installed the Hypervisor and Tools from YaST and tried to setup a new virtual machine with:

Type: other

Initial Mem: 256

Max Mem: 16384

Virt Proz: 1

Graphics: Papavirtualized Graphics Adapter

Disks:

1: 0.7 GB CD-ROM (file:/home/alex/ubuntu 8.10 i386.iso)

2: 4.0 GB Hard Disk (file:/var/lib/xen/images/Ubuntu/disk0

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Network Adapters:

1: Paravirt. : Random MAC

So, all very much default and according to the above HowTo….

Click OK: Error: The installationsource is unusable, Details: 0.7 GB CD-ROM (file:/home/alex/ubuntu 8.10 i386.iso)

If I insert this burned on CD at least it comes to the boot-screen, so what I am doing wrong???? Is this setup out of the box not

working with other linux-images?

Has anyone an idea, what stupid mistake I did or what I have to do to get that running. It’s already frustrating to see on various

HowTo’s how easy it is to get VM’s running and I am always unlucky getting non-commented error-messages in the very

beginning….

Thank’s for any hint,

Alex

44. jeferson Says: October 9th, 2008 at 11:01 am

I’m trying to install a first guest into Xen, my server is a openSuse11 and the is a redhat, when I finished the configuration and

click OK, the CDRom starts and this message appears:

[Errono 2] No such file or directory: ‘/tmp/tmpXXXXXX/images/xen/vmlinuz”, where XXXXXX is not the same, if I click in OK

again.

Thanks,

Jeferson

45. rudy Says: October 25th, 2008 at 6:01 pm

Hey I have the Rob bug,

I did everything written above but when; Quote [ Reboot your PC and select “Xen — openSUSE 11.0 - 2.6.25.11-0.1″. Thiswill boot openSUSE with the modified kernel which supports Xen virtualization and everything else loads normally.] End quote

I didn’t load normally but hangs in the nongraphical mode (textmode) in runlevel 5.

I like opensuse 11.0. After reading the above feedback and all the problems you techs and admins have I think me “a regular joe”

is going to stay with the seperate hdd booting of my favorite Windows and OpenSuse 11.0 is the way to go, the effortless pushing

of the f-8 key is not as bad as driving my fist through the monitor. I would like to add that OpenSuse is probably the best userfriendly linux gui OS out there. V is for Vmware tbh

46. Tony Says: December 2nd, 2008 at 7:33 pm

hey everyone! im kinda new to openSUSE and im stuck at black welcome to openSUSE11.0 screen with login prompt, i tried to

login but never works when booting into xen. did i do something wrong or just type the wrong password like 15 times???

47. Mike Says: December 9th, 2008 at 7:22 pm

Well I managed to get it all working (thanks for the tip about Nvidia!) only to find out that my Athlon 1700 won’t support the

virtualization mode for Windows. Sigh.

I am looking for a way to support those nasyt Windows apps that won’t work under Wine or Mono. There are not many of them

but the few I have are essential, e.g. Quickbooks.

So far the free VMware tools look like the way to go, they do run on ALL of my machines!

48. Roger Says: January 1st, 2009 at 11:45 am

I have a problem with this Xen virtualization. Yes I am new to this whole Linux experience, but I am learning very fast. I have one

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problem with the Xen setup. When I reboot my machine in Xen it only takes me to a prompt and not to the logon screen. Why is

this happening and can anybody help me with this.

49. Bala Says: January 5th, 2009 at 12:30 pm

I have the same problem as Roger – Xen doesn’t recognize the monitor I have and so the X session doesn’t start. Any solutions?

50. Abe Says: January 15th, 2009 at 5:45 am

Hey, after installing xen and rebooting in GRUB to the Xen option. I have no graphical user interface, just a command prompt,

and do not know how to create VM’s and such with only the command prompt. Is this because I am using an ATI card?

Any help would be appreciated

Thanks

Abe

51. DC-K Says: February 7th, 2009 at 12:47 pm

I am now running opensuse 11.1, xen working much better. I’ve successfully installed windows xp from disk and run it as a virtual

machine. I could access the internet and install and run apps.

However once I restart opensuse I cannot resart the virtual machine, I get the following error:

Error starting domain: operation virDomainCreate forbidden for read only access

and the detail is:

Traceback (most recent call last):

File “/usr/share/virt-manager/virtManager/engine.py”, line 485, in run_domain

vm.startup()

File “/usr/share/virt-manager/virtManager/domain.py”, line 379, in startup

self.vm.create()

File “/usr/lib64/python2.6/site-packages/libvirt.py”, line 262, in createif ret == -1: raise libvirtError (‘virDomainCreate() failed’, dom=self)

libvirtError: operation virDomainCreate forbidden for read only access

Any ideas?

D

52. JonU Says: March 3rd, 2009 at 5:21 am

Hi folks

I have the exact same problem as D. However if i log on as root it works fine. It must be a permission problem somehow but I

can’t figure out where.

/Jon

53. Gonzalo Says: March 17th, 2009 at 11:05 am

I have the exact same problem as DC-K and JonU.Any ideas?

54. Nicholas Says: March 19th, 2009 at 4:09 pm

I have the same problem. Has anyone figured this out yet? How can you start from the command line?

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Br. Nicholas

55. Pravin Kumar Says: April 23rd, 2009 at 10:11 am

hi friends,

I finished xen installation using yast, but it is booted in a console. How to install with GUI mode. I am new to linux so friends help

me to solve the problem.

Thanks & Regards,

Pravin Kumar T.

56. Roger Says: April 28th, 2009 at 9:13 am

i finally got the Zen virtual machine to work on my system now that i upgraded to 11.1. i think whatever problems 11.0 was giving

i guess they must have fixed them cause i now have no problems with running openSUSE 11.1 64-bit. it runs much more stable

and compiz as well as zen gives no trouble now and performance is just as great. you all should give 11.1 a try. it works much

better.

57. Roy Says: May 1st, 2009 at 6:37 pm

HI

I have the same problem and I’m using open suse 11.1… It worked fine until a restart but now Domain-0 is uising ALL the

system RAM and when I try to edit or start anything it says “operation virDomainCreate forbidden for read only access” Any helpwould be appreciated. Thanks

58. Roger Says: May 2nd, 2009 at 8:22 pm

I have come to realize that Xen still has some issues to be sorted out. I can’t create any Windows OS on my machine but I canrun VMware or Virtualbox using any guest OS with no problems. It may be a good or better idea to use another virtual machine

software if the one use are trying doesn’t work well for you.

59. In desperate need of Xen/Networking help! - openSUSE Forums Says: June 21st, 2009 at 4:05 pm

[...] Opensuse 11.1 (x86-64) on my core2quad with 8Gb ram. First, I have noticed that steps as shown at: How to install &configure Xen Virtualization in openSUSE 11.0 | SUSE & openSUSE won't work – simply I got vif(0) could not be connected,

so I gave up this metod of configuring [...]

60. Mike Says: June 21st, 2009 at 6:52 pm

You need to be root to run the XEN manager and start, stop, and make machines. Use the XEN manager under YAST and youwill be able to, if you know the root password when YAST asks.

61. chatreek Says: September 17th, 2009 at 3:45 am

What about in command line mode ? How ?

I install on yast in command line mode, but I have installed about only Xen Virtualization: Hypervisor (aka VMM aka

Microkernel). Could I install other library about Xen?

sorry about my English. It’s really bad.

62. Please reply as soon as possible. Says: September 29th, 2009 at 6:48 pm

Please send the general settings, how 2 install & configure the Opera 5.0 beta.

63. Massimiliano Says: February 18th, 2010 at 1:20 pm

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Hi,

Thanks a lot for the tutorial, I get all up and running in few minutes.

By the way, I get the same problem of Alex Trinkl when trying to install a Ubuntu Karmic VM.

I get “The Installation source is unusable”, although I have used it to install non virtual machines. Can some one give me some

explanations?

Than you very much,

Massimiliano

64. Steve Says: May 21st, 2010 at 2:32 pm

Massimiliano, for those who follow with the same error. If you choose Full VT rather than Paravirtualized, this should resolve this

issue.

65. none Says: June 16th, 2010 at 6:11 am

The ‘average joe’ is now working for corporate entities, and servers don’t have pretty GUIs. We have SSH into the servers only.Thus a CLI version of this would help. Otherwise, very pretty, and useful for others but useless for me.

66. xen graphical virtual Machine Says: July 30th, 2010 at 8:42 am

[...] help me? An URL which talk about that , should be helpfull First thing that popped up in google: How to install & configure

Xen Virtualization in openSUSE 11.0 | SUSE & openSUSE I'm not questioning your decision, and am honestly just curious: Whyare you running Xen instead [...]

67. how to install kvm or xen on opensuse 11.3 Says: December 10th, 2010 at 8:50 am

[...] May be you should web search'ed it This might help http://www.susegeek.com/general/how-…-opensuse-110/ [...]

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