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I've tried to follow How to set up remote desktop sharing through SSH? from command line, after connecting via SSH to the server, but vino-preferences seems to work only if I have access to GUI:

> vino-preferences
vino-preferences: command not found

Also, when I try to configure xhost it fails:

> export DISPLAY=:0.0 && xhost +
No protocol specified
xhost:  unable to open display ":0.0"

I currently have no way to access the machine directly, only via SSH.

How can I configure vino-server in such circumstances?

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You should be able to manage the dconf settings remotely using gsettings, using the org.gnome.Vino schema

$ DISPLAY=:0 gsettings get org.gnome.Vino require-encryption
true

$ DISPLAY=:0 gsettings set org.gnome.Vino require-encryption 'false'

$ DISPLAY=:0 gsettings get org.gnome.Vino require-encryption
false
| improve this answer | |
  • I was getting "GLib-GIO-Message: 17:36:40.062: Using the 'memory' GSettings backend. Your settings will not be saved or shared with other applications.". I've executed export GIO_EXTRA_MODULES=/usr/lib/x86_64-linux-gnu/gio/modules/ (following askubuntu.com/questions/888683/…) and it helped. – dzieciou Mar 17 at 16:42

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