Edit /.ssh/config to define the correct XAuthLocation and X11 forwarding now works. The problem is that ssh is looking for xauth in /usr/X11R6/bin and on macOS with XQuartz it is in /opt/X11/bin. XQuartz is a free, open-source version of X.Org for the MacOS. The possibilities are then: DISPLAY=:0.0ĭepending on where you want your actual windows to appear and which input devices you want to use. Best answer shepster Author Level 1 13 points I found the solution. Set X11 Forwarding (Trusted) when you connect. The first has four screens and the second has two. I am trying to get ssh X11 forwarding to work for administrating my server. Here you have a single machine ( ) with two display servers. MobaXTerm supports X11 forwarding, enabled by default. The screen number generally gives the specific screen within that group.Īn example would be: +-+ The first (display number) generally refers to a group of devices containing one or more screens but with a single keyboard and mouse (i.e., one input stream). It gives the X "display" (X server) number and screen number to use. It follows the same rule as any other IP address it can be a resolvable DNS name (including localhost) or a specific IP address (such as 192.168.10.55). The first part of the DISPLAY variable is just the address of the display server machine. profileĮxport DISPLAY=:0.0 # in your shellĭISPLAY=:0.0 firefox & # for that command (shell permitting) You can set this variable like any other: DISPLAY=:0.0 export DISPLAY # in. Many will use the DISPLAY environment variable if a display isn't specifically given. Many clients allow the -display or -displayoption to specify it: xeyes -display :0.0 In order for a client to interact with a user, it needs to know how to find the server. With X11+SSH forwarding, you can actually run the entire desktop of Raspberry Pi remotely, not just standalone GUI applications. This allows you to do such wondrous things such as log on to your box (in text mode) halfway around the planet, tell it that the display server is the box you're currently on and, voila, the windows suddenly start appearing locally. Method 3: X11 Forwarding for Desktop over SSH. It was built with the server/client separation built in from the start. Often (on "home" machines), the client and server run on the same box and there's only one server, but X is powerful enough that this doesn't need to happen. You have a server of some description (in this case, the X display server) which runs on a specific machine, and you have X clients (like firefox) that try to connect to that server to get their information displayed. The way that X works is the same as the way any network program works.
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