problem:
Gtk-Message: Failed to load module "canberra-gtk-module"
solution:
sudo apt-get install libcanberra-gtk-module
reference:
https://askubuntu.com/questions/208431/failed-to-load-module-canberra-gtk-module
problem:
Gtk-Message: Failed to load module "canberra-gtk-module"
solution:
sudo apt-get install libcanberra-gtk-module
https://askubuntu.com/questions/208431/failed-to-load-module-canberra-gtk-module