X11-forwarding over ssh is when a user logs in securely to a remote machine, starts X applications on that machine, and is able to view that remote desktop on his local screen.

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Cannot use gedit on multiple remote machines using ssh

After setting up the last of my 5 remote machines, I decided to test that the network was working well by connecting to each and opening gedit. To my dismay, when I tried to open gedit on the second ...
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What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?

What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the ...
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“Can't open display” even after access with xhost

I'm trying to run a graphical program remotely, without using ssh. I've set the display variable on the server (let's say server.com, Linux, not ubuntu, and no su rights) to point to my workstation ...