Hello.
Thank you for the answer. It took me two days to start to understand :)
I did not try VNC before. I will deeply appreciate if you can give me a
piece
of advice on my task. I think it is not new but for the sake of time I have
to
ask this question.
I need to deliver windows desktop from a VM with passed-through GPU.
My setup is as follows:
1. Linux host with KVM
2. VM with windows 7 running on Qemu with NVIDIA Titan GPU passed through.
Here everything works fine. If I attach a display to the NVIDIA adapter I
get the
picture. 3D benchmarks are running OK.
3. Currently following your first email I set up the UltraVNC server inside
the VM and use the TurboVNC as the client.
Now as I understand the UltraVNC server performance is lower than the
TurboVNC's one. So the question is:
How can I use TurboVNC server to take the output from the Win7 VM running
on KVM + Qemu with passed-through GPU?
I cannot change the hypervisor because it actually can pass through the
GPU..
Thank you,
Grigory.
2014-09-29 13:21 GMT+04:00 DRC <[email protected]>:
> Our supported method for delivering Windows 7 desktops using TurboVNC is
> to use VirtualBox or VMWare. You run the virtualization application in
> VirtualGL and run VirtualGL in TurboVNC. Voila-- remote Windows desktop
> with 3D acceleration. The VirtualGL User's Guide has more info.
>
> "Listen mode" is a feature of the VNC viewer that lets you make a
> "reverse connection" from a VNC server session. Once the server session
> is running on a Un*x/Linux machine, then you run vncconnect on that
> machine, and it establishes an outbound connection from the server to
> the viewer (as opposed to the inbound connection from viewer to server
> that would normally occur.)
>
> We do not provide a Windows VNC server (WinVNC) solution. There used to
> be one (it was inherited from TightVNC 1.3.x), but it was incredibly
> buggy and stopped working once Vista was released. In order to get a
> WinVNC solution working again, I would have to take the current TightVNC
> 2.x code and spend a considerable amount of time (perhaps hundreds of
> hours) optimizing it like I did with Xvnc. I deal mainly in the remote
> 3D application space, and WinVNC is of little use in that market,
> because it's a single-user solution. WinVNC is a screen scraper, so
> only one user at a time can use it to access a remote machine. You
> could make WinVNC a multi-user solution through virtualization, but if
> you have multiple users, it's much more efficient to run the VM inside
> of TurboVNC instead of running TurboVNC inside of the VM. Besides,
> WinVNC solutions generally do not work well with hardware-accelerated
> 3D, which is another reason why we prefer to run the VM inside of
> VirtualGL. This makes the VM think that it is running locally on the
> server's hardware-accelerated display, so it eliminates any possibility
> of interference in the guest O/S. From the guest O/S's point of view,
> it does not notice any difference between remote and local, because all
> of that is being handled at the host level. Furthermore, it is much
> easier to administer, since the TurboVNC server is running on the host
> and not in the guest, and the sessions can therefore be scripted,
> launched by a web portal, etc. There are several corporate sites out
> there now who are using this solution actively to serve up Windows
> desktops to their users.
>
> If you absolutely need a WinVNC solution, then use UltraVNC on the
> server and TurboVNC as the viewer.
>
>
> On 9/29/14 2:06 AM, Григорий Пташко wrote:
> > Hello.
> >
> > I've got an issue with delivering Windows 7 desktop via turbovnc. I have
> > a server with Windows behind a firewall. I use OS X as a client. Here's
> > what did:
> >
> > 1 on Windows I run turbovnc in listener mode.
> > 2 I forward 5500 port via ssh via our router.
> > 3 I run turbovnc on the client (OS X) and connect to localhost:5500
> >
> > Then this happens:
> >
> > 1 the client does not say any errors about a connection. I see the
> > window title Turbovnc viewer. But the remote desktop does not open.
> > 2 on the Windows box I see a little window that says Accepting reverse
> > connection...
> >
> > And that's all. So the questions are:
> >
> > 1 is it actually possible to run turbovnc inside a Windows box as a
> server?
> > 2 if yes then what am I doing wrong?
>
>
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--
Best regards,
Grigory Ptashko
+7 (916) 1489766
[email protected]
skype grigory_ptashko
linkedin.com/in/gptashko <http://ru.linkedin.com/in/gptashko/>
facebook.com/GrigoryPtashko <https://www.facebook.com/GrigoryPtashko>
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