X11 app - unable to open display ""

[Ryan Schmidt]

On Apr 17, 2019, at 04:15, Christoph Kukulies wrote:

> Fine. How can I figure out about the configuration of my X11 server? Don’t know whether I have an X11 server at all.
> port list tells me I have 
> 
> xorg-server                    @1.20.4         x11/xorg-server
> 
> among other lots of xorg-stuff.

"port list" tells you what is available, not what is installed. "port installed" tells you what is installed.