On Mon, Aug 31, 2020 at 05:38:22PM +0200, Patrick Dupre wrote:
>
> echo $DISPLAY
> :0
> 
> ssh localhost
> xmodmap:  unable to open display ''
> xmodmap:  unable to open display ''
> 
> xterm 
> xterm: Xt error: Can't open display: 
> xterm: DISPLAY is not set

What about running xterm on the local display, not after ssh'ing into
localhost?  Of course nothing X is going to work after running 'ssh
localhost', you didn't tell it to forward X connections.


-- 
Jonathan Billings <billi...@negate.org>
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