Ivan Tomica

Synergy 2 on Ubuntu Linux

Ever since Symless (company behind Synergy product) has published “cloud based Synergy 2 service” I had nothing but problems and headaches with it. The major issue that I have had was that it simply wouldn’t pass the mouse/keyboard control to other configured screen. THIS IS THE SOLE PURPOSE FOR THIS PIECE OF SOFTWARE BTW!.

Anyhow, after I stopped whining and decided to look into issue I’ve found that bot laptop and desktop were “Unable to open display :0:0”. Well, no wonder as THAT ISN’T THE RIGHT DISPLAY. Correct display is, at least for me on Ubuntu, :1.

So, to resolve the issue:

  1. Create systemd service override:
    systemctl edit synergy.service
  2. Add following thingie in that file:
  3. Restart the service.

Voila, you should now have working setup.

BTW, to detect DISPLAY variable you can simply run:

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Sysadmin on the everlasting journey of learning. Always in search for an opportunity to prove myself and to learn something new. My addiction is learning and my main goal is to excel in every aspect of Linux/Unix system administration.


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