Determine if Ubuntu 17.10 (desktop) is using Wayland

Ralf Mardorf silver.bullet at
Tue Dec 5 05:35:47 UTC 2017

On Tue, 5 Dec 2017 06:32:29 +0100, Ralf Mardorf wrote:
>On Mon, 4 Dec 2017 22:10:49 -0500, J Doe wrote:
>>If I recall correctly, Ubuntu 17.10 (desktop version), uses Wayland if
>>the computer’s hardware supports it.  Is there an easy way for me to
>>determine on a running 17.10 machine if Wayland is being used or if
>>the OS is falling back to X ?  
>AFAIK from threads on this mailing list, Wayland comes with software
>pitfalls, for example the current method to allow users to access GUIs
>with root privileges, e.g. for GUIs to install packages, doesn't work
>anymore. AFAIK the user could chose by the display manager's greeter,
>if starting a user session with X or wayland is wanted. I wonder what's
>used by the display manager's greeter itself ;).

$ ps aux | grep -i xorg-server

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