On Wed, Nov 16, 2016 at 07:36:29PM -0800, Mike Kupfer wrote: > dmacdoug wrote: > > > It is installed and I've tried running it from a shell. The man page > > says it should be started without arguments, but when I do that it > > says "Failed to parse arguments: Cannot open display:" > > I get that message if the DISPLAY environment variable is not set, or if > it's set incorrectly, when I start xfdesktop. Otherwise, running it > from a shell works fine for me. > > Can you start other X-based applications, e.g., xclock, from the same > shell? What is the output from > > echo $DISPLAY
sure enough there is no DISPLAY environment variable set. So I set it and then the error message became: Failed to connect to session manager: Failed to connect to the session manager: SESSION_MANAGER environment variable not defined I notice there are several other variables missing which do appear on another machine with working xfce system, i.e. one still on stretch distribution, such as XDG_MENU_PREFIX=xfce-, XDG_CONFIG_DIRS=/etc/xdg as well as SESSION_MANAGER and several others. Don