xhost: unable to open display ""

[Jack]

On 2018.01.23 19:57, Mark Geisert wrote:
> Waltz, James wrote:
>> Hi-
>> 
>> I think that I have installed all the necessary packages, but I  
>> still get the above error, when I type “xhost +” on my local machine.
>> 
>> I am also still getting a “cannot open display: localhost:10.0”  
>> error.
>> 
>> This is DESPITE the fact that:
>> - I set DISPLAY to “localhost:10.0”
>> - X11Forwarding is set to “yes” in the sshd_config file
>> - I changed the “hosts” file, under /etc to have actual IP addresses.
>> 
>> Any idea why this might be happening?
> 
> Yes.  Change that "10" to "0".  So it's "localhost:0.0" or even  
> ":0.0".
> Should work much better.... :)
Unless ssh is involved, which was not stated, but I suspect might be  
part of the issue.

Jack
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