[winswitch] xpra-0.17.0 on Centos 7

[Bob Tennent]

 >| >|$ xpra start :10 --start=xterm
 >| >|(..)
 >| >|$ xpra attach ssh:localhost:10
 >| >|(...)
 >| >|Attached to ssh:localhost:10 (press Control-C to detach)
 >| >|
 >| >|Does it work if you run it locally like I did?
 >|
 >|No.  Relevant output:
 >|
 >|2016-04-26 02:18:15,944 Connection to the xpra server via SSH failed
 >|for: ssh:localhost:10
 >|2016-04-26 02:18:15,945  check your username, hostname, display number,
 >|firewall, etc
 >|2016-04-26 02:18:15,945  the command line used was:
 >|2016-04-26 02:18:15,945  ssh -x -T localhost xpra
 >|initenv;$XDG_RUNTIME_DIR/xpra/run-xpra _proxy :10 || ~/.xpra/run-xpra
 >|_proxy :10 || xpra _proxy :10
 >|
 >| >|Does "xpra list" work?
 >|
 >|Yes:
 >|
 >|  % xpra list
 >|  Found the following xpra sessions:
 >|  /home/rdt/.xpra:
 >|          LIVE session at :10
 >|
 >|Is it relevant that this system uses a non-standard ssh port?

Apparently it is relevant. If I re-start sshd with the
standard port (22), the local ssh attach works. The remote
host I'm trying to connect to uses port 22.

Bob T.