[FreeNX-kNX] Sound only as root

[Alastair Johnson]

On Thursday 22 March 2007 23:35, Joseph Jamieson wrote:
> I don't believe that to be true - perhaps if you can just load the core
> OSS audio modules it would be created.   Since no sound is being output
> from the server, surely you're not expected to insert a SoundBlaster
> card into a rack mount box.

There is a dummy module for alsa (snd-dummy) that's intended for API testing. 
I've never used it, but it might be worth a try.

> /dev/dsp gets "hooked" or intercepted by esd when an app is run under
> it.
>
> Otherwise, if you have esd aware apps it technically should work without
> /dev/dsp.   Getting that to work at all seems hit or miss.
>
> I wonder what NoMachine support would have to say about this one.  I'd
> imagine that pre-sales support could explain how this is done.  After
> all, they sell a commercial product and I'd imagine that this question
> has popped up.
>
>
> -----Original Message-----
> From: Gregory Carter [mailto:gcarter at aesgi.com]
> Sent: Thursday, March 22, 2007 2:58 PM
> To: User Support for FreeNX Server and kNX Client
> Subject: Re: [FreeNX-kNX] Sound only as root
>
> Well, obviously I think if you are logging into this server and running
> programs on it via remote NX client access, then yes, you need to have a
>
> sound card on the server otherwise there is no sound output to redirect.
>
> -gc
>
> Paul van der Vlis wrote:
> > Gregory Carter schreef:
> >> Who owns /dev/dsp?
> >>
> >> I am not sure what version of Linux Distro your using, but typically
>
> you
>
> >> have to have permission to open the device.
> >>
> >> Normally for example:
> >>
> >> ls -l /dev/dsp
> >>
> >> crw------- 1 gcarter root 14, 3 Mar 20 09:04 /dev/dsp
> >>
> >> I have writes to read/write on my personal system, but nobody else
>
> has.
>
> > On the server, there is no soundcard and no /dev/dsp...
> > Maybe this is the problem.
> >
> > But the thinclient has a soundcard and a /dev/dsp. The user works on
>
> the
>
> > client as root (this is normal on this type of thinclient), so I don't
> > think there is a problem on the client.
> >
> > Do I need a soundcard or a /dev/dsp on the server?
> >
> > With regards,
> > Paul van der Vlis.
> > ________________________________________________________________
> >      Were you helped on this list with your FreeNX problem?
> >     Then please write up the solution in the FreeNX Wiki/FAQ:
> >   http://openfacts.berlios.de/index-en.phtml?title=FreeNX_FAQ
> >          Don't forget to check the NX Knowledge Base:
> >                  http://www.nomachine.com/kb/
> >
> > ________________________________________________________________
> >        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
> >       https://mail.kde.org/mailman/listinfo/freenx-knx
> > ________________________________________________________________
>
> ________________________________________________________________
>      Were you helped on this list with your FreeNX problem?
>     Then please write up the solution in the FreeNX Wiki/FAQ:
>   http://openfacts.berlios.de/index-en.phtml?title=FreeNX_FAQ
>          Don't forget to check the NX Knowledge Base:
>                  http://www.nomachine.com/kb/
>
> ________________________________________________________________
>        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
>       https://mail.kde.org/mailman/listinfo/freenx-knx
> ________________________________________________________________
> ________________________________________________________________
>      Were you helped on this list with your FreeNX problem?
>     Then please write up the solution in the FreeNX Wiki/FAQ:
>   http://openfacts.berlios.de/index-en.phtml?title=FreeNX_FAQ
>          Don't forget to check the NX Knowledge Base:
>                  http://www.nomachine.com/kb/
>
> ________________________________________________________________
>        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
>       https://mail.kde.org/mailman/listinfo/freenx-knx
> ________________________________________________________________