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  #1  
Old 10-15-2007, 05:46 AM
therobotfuture
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Run a virtual machine on a VPS?


Can I install say, VMWare on a VPS and use it the same way as if it were installed on an OS running on the physical hardware?



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  #2  
Old 10-15-2007, 05:55 AM
Adam H Adam H is offline
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No, but you can run it the other way round, as VMWare has a its own kernel.

I think you can also run openVZ(With some modifications) on Xen Aswell.

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  #3  
Old 10-15-2007, 05:58 AM
-Edward- -Edward- is offline
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You can run VMWare within VMWare, don't see the point though.

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  #4  
Old 10-15-2007, 12:06 PM
Adam H Adam H is offline
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Quote:
Originally Posted by Adam H View Post
No, but you can run it the other way round, as VMWare has a its own kernel.

I think you can also run openVZ(With some modifications) on Xen Aswell.
Whoops, my mistake.

I mean you can run VMware on a VPS as its a layer sitting ontop of the OS.

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  #5  
Old 10-15-2007, 12:09 PM
PCS-Chris PCS-Chris is offline
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If you really wanted to I believe you can run Vmware Server inside a Linux VPS, although don't expect great performance, and I don't know what stability would be like. Take into account the number of layers you will be going though, theres going to be a lot of overhead.

The better thing to do would be to get a cheap dedicated server and split that up into several VPS using your choice of virtualisation platform, or consider a VPS reseller where you have a set amount of resources and can make VPS from that.

Quote:
You can run VMWare within VMWare, don't see the point though.
I don't know, can be quite entertaining to see how many times you can do that until your PC Crashes. Dont ask why but I have done that before

Chris.


Last edited by PCS-Chris; 10-15-2007 at 12:15 PM.
  #6  
Old 10-15-2007, 12:25 PM
-Edward- -Edward- is offline
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People will do some strange things

  #7  
Old 10-15-2007, 01:58 PM
tsj5j tsj5j is offline
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Urm, please let me tell you that it's not possible for OpenVZ nor Xen.

VMWare is not an application layer software.
Windows VMWare may not appear to be kernel-level, but it actually hooks the kernel in many aspects, just that it's not so obvious.

However, on Linux it's much more obvious.
The kernel must be modified to accept hooking from VMWare, so you basically have to load another kernel.

Xen can only load kernel modules, not entire kernels.
OpenVZ can't even load kernel modules.

VMWare is hardware-based (with BIOS) virtualization, so it can run both Xen and OpenVZ in a VMWare VPS.

Get your facts straight

  #8  
Old 10-16-2007, 05:27 AM
gplhost gplhost is offline
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You can run Linux v-server on a Xen domU, if the kernel is compiled with such option. There is even a pre-compiled xen kernel with v-server under Debian. But I don't think a host would let you use it...

Thomas

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  #9  
Old 10-16-2007, 05:33 AM
Rus Foster Rus Foster is offline
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We've had users running UML under OpenVZ which was intresting (and worked though performance sucked). Also I *think* with the latest OpenVZ kernels you can run OpenVZ in a Xen DomU

Rus

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  #10  
Old 10-16-2007, 05:46 AM
tsj5j tsj5j is offline
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I've tried something called Win4Lin on a Xen VPS.

It worked fine but terribly slow.

In general this should be for enthusiasts/hobbyists.
At the current state of technology, two layers worth of emulation will render the last layer almost unusable due to speed issues.

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