To move the RoadRunner camera, you need to press and hold the Alt or Windows/Command key. In Ubuntu® 16.04, however, pressing the Alt key moves the current window, and pressing the Windows/Command key shows certain help overlays. It is recommended that you update Ubuntu to use the Windows/Command key (instead of the Alt key) for moving windows. To make this update, follow these steps:
dconf-editor (if not already installed). At the command
line, enter this code:
sudo apt-get install dconf-editor
Navigate to org > gnome > desktop > wm > preferences.
It is important to assign a valid key to
Leaving that option blank prevents the mouse from interacting with any windows.