ssh -X remote does not work due to problem with xauth

[Valeri Galtsev]

On 05/09/18 07:10, Steve O'Hara-Smith wrote:
> On Wed, 9 May 2018 12:47:00 +0200
> Matthias Apitz <guru at unixarea.de> wrote:
> 
>> When I launch 'ssh -X remote host' to get X11 forwarded to my workstation
>> this does not work, i.e. does not produce a DISPLAY env on the remote
>> host and says:
>>
>> $ ssh -X apitzm at srap16dxr1
>> Warning: untrusted X11 forwarding setup failed: xauth key data not
>> generated Last login: Wed May  9 12:37:17 2018 from 10.49.8.33
>> apitzm at srap16dxr1:~>
> 
> ...
> 
>> Any ideas?
> 
> 	Possible workaround - ssh -Y.
> 

Also, I would check why xauth wasn't able to do its job. Possible 
reasons: quota on /home exceeded, or one of filesystems is full (or 
permissions...)

Valeri

-- 
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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