Pop up GUI remotely via SSH

Larry Hall (Cygwin) reply-to-list-only-lh@cygwin.com
Wed Oct 28 09:10:00 GMT 2015

On 10/26/2015 12:07 PM, trimat wrote:
> Hi all,
> I would like to pup up on Windows 7 the GUI of a program started remotely
> from SSH. I can't obtain this with *cygstart* even though I see the process
> running in Windows Task Manager. Trying to add /--interactive/ flag to
> Cygwin service /sshd/, the service doesn't start.
> I am aware of the Windows restriction /Session 0 Isolation/ (introduced in
> Windows Vista) but I read a few posts in which it seems possible. I have
> tried lots of solutions but till now I am able to accomplish that not using
> Cygwin but with *PsExec* (utility of /Windows Sysinternals/).
> Any clue how to do it with Cygwin?

There have been a few spurious reports over the years of people getting
this to work post-XP with Cygwin's OpenSSH but never anything reliable and
reproducible.  So if there's a magic bullet, no one has been able to
classify it even if they can find it.  Or at least no one has reported it
here.  And while I would agree that PsExec seems to be able to make some
magic happen where ssh can't, it's also pretty clear that PsExec's magic is
compromising your system security, which is the exact opposite of OpenSSH's
intent.  Maybe it would be possible to take the best of both worlds but one
would at least need the code to PsExec to evaluate first before making a
definitive statement on whether this would even be possible.  Since the
source code to PsExec isn't available from the Sysinternals site, this 
avenue appears to be blocked.

Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746


A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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