X11 forwarding needs to be enabled on both the client side and the server side. On the client side, the -X (capital X) option to ssh enables X11 forwarding, and you can make this the default (for all connections or for a specific connection) with ForwardX11 yes in ~/.ssh/config.

2010年8月17日 · The application runs remotely, except the X components (i.e. rendering the x-commands etc) which are running locally. Every client application usually uses the local X server to display the UI. In this case, the commands are send via the encrypted SSH channel from the remote machine to your local machine and are displayed there.

2015年6月8日 · from man ssh-X Enables X11 forwarding. This can also be specified on a per-host basis in a configuration file. X11 forwarding should be enabled with caution. Users with the ability to bypass file permissions on the remote host (for the user's X authorization database) can access the local X11 display through the forwarded connection.

-X was originally intended to enable the X Security extension of the 1990's, but that is old and inflexible, and crashes some programs, and so is ignored by default. Both ssh -Y and -X let you run an X11 program on a remote machine, with its windows appearing on the local X monitor. The issue is what the program is allowed to do to other ...

2015年1月7日 · Please refer to the ssh -Y option and the ForwardX11Trusted directive in ssh_config(5) for more information. -Y Enables trusted X11 forwarding. Trusted X11 forwardings are not subjected to the X11 SECURITY extension controls.

2013年10月25日 · You should not need either X11DisplayOffset or X11UseLocalhost, but check with ssh -vvv -X remotehost and make sure it's specifying that initiating the remote X connection. If this information indicates that it is working, then there is a possibility that the shell you're logging into is clearing the DISPLAY environment variable as part of ...

2016年12月2日 · First, start your X server: X -nolisten tcp :0 now change to another virtual console (e.g., hit ctrl+alt+f2), and type: DISPLAY=:0 ssh -XC <host> startkde Now switch back to the first virtual console and use your X session normally.

An answer to How to forward X over SSH to run graphics applications remotely? explains how to forward GUI applications via an X11-compliant display server (like XOrg). However, I see no equivalent for accessing remote systems using solely Wayland compositors on both ends.

Simply start individual remote applications using ssh -X [email protected] xclock. Assuming XDMCP is enabled on the remote machine... 2a. Use Xnest -query 192.168.1.107 -geometry 1024x768 :1 to start a remote login session in a local window. 2b. Use Xephyr :1 -screen 1024x768 -query 192.168.1.107 which is a better X server than Xnest

2015年6月3日 · $ export DISPLAY=:0 $ ssh -X remotehost xlogo connect /tmp/.X11-unix/X0: No such file or directory Error: Can't open display: localhost:10.0 The fix - at least as far as Xming goes - is fairly simple. Modify the DISPLAY variable to reference a listening TCP socket rather than a UNIX domain socket. $ export DISPLAY=localhost:0 $ ssh -X ...