This is so simple. I wish it was this easy on Windows. And, I wish windows had a clean way to do something like SSH anyway.
local$ xhost+ local$ ssh -X machine-name remote$ run any gui program
And so, right there, I can run a program on the remote machine and display it back to my local machine. This is nothing new. I was doing this 10+ years ago on Solaris systems, albeit done with rsh which is a very insecure way of doing it.
As a note, the above is also insecure. I should be granting access to specific machines and not using “xhost+” which opens display back from any machine. But since this is my network, I feel pretty safe.