This just happened.

I have two apps open.  Both are running and functioning normally.

I go to open a third.  I get the display not found error.

I open a new SSH session *without* closing the old one. The apps keep running, and I am able to open the third app in the new SSH session.

I close the new SSH session and go back to the old one. When I attempt to launch an app I still get the display not found error.

On Thu, 22 Sep 2016, Brandon Allbery wrote:

On Thu, Sep 22, 2016 at 2:48 PM, Haroon <> wrote:
      Since upgrading to Sierra the other day I randomly get errors about the
      display not being found when launching apps from a Linux machine. When I
      logout and log back in to the remote machine things work again, but then
      after some time the problem reappears.

Are you sure this is
 ? (would be
weird for it to show up only on upgrade to Sierra, though)
Alternately it could be a Power Nap thing, conceivably --- but I'd expect a 
different error in
that case.

brandon s allbery kf8nh                               sine nomine associates                        
unix, openafs, kerberos, infrastructure, xmonad

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