Apologies if this is the wrong place. On El Capitan, I had no problems with ssh X11 forwarding, but now now on Sierra 10.12.2 ssh remote untrusted X11 forwarding setup failed: xauth key data not generated or ssh -Y remote No xauth data; using fake authentication data for X11 forwarding and this doesn't appear to be harmless because xdvi file X11 connection rejected because of wrong authentication. Error: Can't open display: localhost:10.0 and echo $DISPLAY gives nothing I have checked that ForwardX11 yes is in both my ssh_config and sshd_config files
Oh dear, I feel rather embarrassed; ssh -Y remote does solve my problem. Now when I do echo $DISPLAY, I do get localhost:10.0 and xdvi works fine. Please accept my apologies.
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