Не запускается screenkey (программа для отображения нажатых клавиш).
Система стартеркит gnome3 р8.

Вывод терминала:
[fenol@comp-59 ~]$ screenkey
[fenol@comp-59 ~]$ Traceback (most recent call last):
  File "/usr/bin/screenkey", line 59, in <module>
    Main()
  File "/usr/bin/screenkey", line 54, in Main
    s = Screenkey(logger=logger, nodetach=options.nodetach)
  File "/usr/lib/python2.7/site-packages/Screenkey/screenkey.py", line 107, in __init__
    mode=self.options['mode'])
  File "/usr/lib/python2.7/site-packages/Screenkey/listenkdb.py", line 80, in __init__
    self.local_dpy = display.Display()
  File "/usr/lib64/python2.7/site-packages/Xlib/display.py", line 89, in __init__
    self.display = _BaseDisplay(display)
  File "/usr/lib64/python2.7/site-packages/Xlib/display.py", line 71, in __init__
    protocol_display.Display.__init__(self, *args, **keys)
  File "/usr/lib64/python2.7/site-packages/Xlib/protocol/display.py", line 160, in __init__
    raise error.DisplayConnectionError(self.display_name, r.reason)
Xlib.error.DisplayConnectionError: Can't connect to display ":0": No protocol specified/usr/bin/screenkey