[winswitch] Q: how to attach to remote Xpra session through SSH with password auth.?

Antoine Martin antoine at nagafix.co.uk
Tue Oct 30 06:37:33 GMT 2012


(snip)
> Worth noticing that man page do not suggest that "ssh:[USER@]HOST:DISPLAY" can 
> be used as well and as my miserable experience proved it may not be very 
> obvious.
Thanks, I've updated the man page:
https://www.xpra.org/trac/changeset/1995

(snip)

> I was trying to connect from someone's keyboard to my session on server where 
> user also had an account.
> 
> 	bash: .xpra/run-xpra: No such file or directory                                                                                                               
> 	cannot write using ['ssh', '-T', 'HOST']: 
>        the SSH process has terminated with exit code=127
> 
> I got the above error message which is just indicate that user didn't have a 
> Xpra session on server (I just typed "xpra attach ssh:HOST:DISPLAY" 
> automatically and therefore was mistakenly trying to connect to user's 
> session, not mine. Without password prompt (user also have a public key 
> authentication to the server) I misunderstood the issue as problem with 
> password authentication. It was totally stupid but I didn't realised it back 
> then in the late afternoon when I was tired and had no time. 
> 
> I hope the lesson from this experience may help to improve the error message 
> in case when remote session don't exist.
> 
> At the moment one can tell that remote Xpra session do not exist only from 
> prior experience (which I'm lacking as well because I usually connect to 
> session that is running). As you can see the attempt to connect to non-
> existent session gives two errors:
> 
> 	bash: .xpra/run-xpra: No such file or directory
> 
> 	cannot write using ['ssh', '-T', 'HOST']: 
> 		the SSH process has terminated with exit code=127
> 
> neither of which is clear about the real issue (cause).
I will try to do something about that.

Cheers
Antoine


> 
> Cheers,
> Dmitry.
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> shifter-users at lists.devloop.org.uk
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> 




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