Check your ubuntu desktop session








  • To check the current desktop session name:
    echo $DESKTOP_SESSION
    
    It will return the name of the current desktop session. e.g. ubuntu-2d (aka. unity 3D), gnome-shell, gnome-classic.
  • To check the default desktop session:
    cat /etc/lightdm/lightdm.conf
    
    It shows the default session: e.g.
    [SeatDefaults]
    user-session=ubuntu
    greeter-session=unity-greeter
    
  • To list the available session definitions in /usr/share/xsessions/:
    ls /usr/share/xsessions/
    






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