I needed to set TeamViewer to autorun, each and every startup on one Xubuntu Linux
Xubuntu is running by default with Xfce 4 . Xfce is a sort of a very liteweight GNOME like graphical environment.
In Gnome the way that is through invoking the gnome-session-manager .
In Xfce the command is almost analogous doing changes is done by running:
Further on simply use the Add button to add applications to load each time user (opens xfce session) / logs in.