[K12OSN] RE: [OT?] Rdesktop connections

[David Trask]

"Support list for opensource software in schools." <k12osn at redhat.com>
writes:
>I have the same issue. I am also not able to get sound to work. I am
>running M$ win 2003 sever. Can anyone give me some suggestions?
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This came from Gideon Romm originally....you'll need to edit lts.conf
>

Burt, if you want sound through rdesktop, you will need to sacrifice
sound through Linux.  It is one or the other.  Here's why:

As you surmised, rdesktop thru esd does not work well.  rdesktop needs
to write directly to /dev/dsp in order for sound to work properly.  The
only way to do this, is to run rdesktop off the thin client AND not have
a sound daemon of any kind running of the thin client at the same time.
This is because any sound daemon (such as esd/nasd) will take control
of /dev/dsp and not allow rdesktop to write to it.

So, If you want sound from Windows on the thin client, you should do
something like this:

SCREEN_02 = "rdesktop -r sound:local 192.168.0.253"
SOUND = Y
SOUND_DAEMON = "rdp"

and on the WTS, uncheck "Disallow Audio mapping"

Now, you will have Windows sound on screen 2, but no linux sound.

Side note:  SOUND_DAEMON = "rdp" will produce a warning when booting the
thin client that "rdp" is not a recognized daemon.  This trick is used
to have the thin client load the sound modules, but not a daemon.  If
SOUND_DAEMON is omitted, esd will run by default.


David N. Trask
Technology Teacher/Director
Vassalboro Community School
dtrask at vcsvikings.org
(207)923-3100