Antoine, thank you for replies.  I think I am making "progress".  Studying 
winswitch/xpra/vnc/etc.
has been highly educational on multiple levels.  I'm really impressed with the 
way Winswitch checks
for multiple OS setups and adjusts for their various differences. 

1.  I repackaged xpra and winswitch on the opSU machine I am running it on.  
Did not solve any
problems, but at least I know I don't have version conflicts (and solved the 
libwebp5 issue).

2.  I think the desktop session problem is authentication, as the vncserver 
session starts and then
immediately closes. How difficult would it be for me to temporarily change the 
code so that the call
to vncserver is the same as I would run manually?  Eg., vncserver -name xxx 
(and I guess port),
thereby using my existing passwd file for authentication?   I see from the from 
the console output
winswitch makes a similar call, but is setting up a session password file, etc. 
in the ~/.winswitch
directory. 

3.  Good to know I don't need AppIndicator -- thanks for this info.

4.  Re: crashing the server desktop:  I think Xpra is "covering up" my X 
session and not actually
crashing it -- I get a white screen.  My recovery is to hit <ctrl><alt><del>, 
which brings up the
KDE logout prompt (even though I can't see it, but sometimes it flickers to the 
surface
momentarily).  Then I hit <enter> which does a clean logout to the kdm login 
screen.  Existing
vncserver sessions are still active when I log back in and so is Winswitch.  
(This is on the server
and not on the client -- not sure why Xpra would be putting anything at all on 
the server screen ...)

5.  I have two opSU 13.2 computers running winswitch/xpra.  Both of them 
consistently serve xpra
applications without problems (but not desktop sessions).  Something changed 
for the better from
13.1 to 13.2.

It will be great to get this running on Android.  I like to travel with my 
phone only, which
connected to a keyboard and hotel tv gives me complete access to my servers and 
a full "desktop"
computer.

Barrington




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