mythtv-setup --h help
Xlib:  extension "XInputExtension" missing on display "127.0.0.1:1.0".
Failed to get list of devices
Session management error: Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed
Invalid argument: --h
Valid options are: 
-display X-server              Create GUI on X-server, not localhost
--geometry WxH                 Override window size settings
-geometry WxH+X+Y              Override window size and position
-v or --verbose debug-level    Use '-v help' for level info