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Re: [AG-TECH] Starting VIC without a GUI



interesting, I wonder how that all gets along with multicast. Seems an interesting way to run bridges as well.
--bob


On Mar 2, 2007, at 1:53 PM, Christoph Willing wrote:


On 02/03/2007, at 10:35 AM, Piers O'Hanlon wrote:

Hi Sam,

On 01/03/07, Sam Gundry <sgundry@xxxxxxxx> wrote: Arh, okay. Thanks guys, I've had a look through numerous docs but
couldn't find anything. I thought I'd read somewhere that there was such
a command...


Unfortunately, as mentioned, it isn't currently possible to run vic without an interface as the tcl GUI is integral to the tool. One solution, if you for example you have a headless UNIX machine, would be to point the DISPLAY at a vncserver (a virtual X11 server) - that way you don't have the GUI showing up anywhere and vic just runs - though you'd need to set it up to transmit on startup. You could remotely access the GUI using a vnclient.



Along similar lines, you could also run vic in a virtual frame buffer version of X (Xvfb). Using Xen or some other machine virtualisation system, this technique can be used to have a "separate" capture machine along with a display machine both in the same physical box. For an example implementation, see http:// www.vislab.uq.edu.au/research/accessgrid/software/xenag/). These days, Linux KVM (kernel virtual machine, not keyboard/video/mouse) is probably a better way to do the machine virtualisation. I believe you need kernel 2.6.20 to do KVM without patches (and supported cpu).


chris



Robert Olson wrote:
> That's correct, unlike rat which is split explicitly into audio- engine,
> controller, and UI components, vic is a monolithic app that has the GUI
> stuff wrapped up at a fairly fundamental level.
>
> --bob
>
> On Mar 1, 2007, at 7:44 AM, Derek Piper wrote:
>
>>
>> That should be:
>>
>> vic -t ttl address/port
>>
>> e.g.
>>
>> vic -t 127 233.2.171.246/59966
>>
>> .. and that just starts VIC with those network settings, it
>> doesn't hide the GUI. As far as I know there are no such arguments
>> that do that.
>>
>> Derek
>>
>> Mike Daley wrote:
>>> Hi Sam
>>> the command line is
>>> vic -ttl address port
>>> i.e
>>> vic -127 233.2.171.246/59966
>>> Mike
>>> Sam Gundry wrote:
>>>> Hi,
>>>>
>>>> Does VIC have a command-line argument to start without it's GUI?
>>>>
>>>> Regards,
>>>> Sam
>>
>> --Derek Piper - dcpiper@xxxxxxxxxxx - (812) 856 0111
>> IRI 323, School of Informatics
>> Indiana University, Bloomington, Indiana
>>
>



-- Centre for Computational Prototyping Victorian Partnership for Advanced Computing www.vpac.org



Christoph Willing +61 7 3365 8350 QCIF Access Grid Manager University of Queensland