October 12, 2012, 4:34 PM — Here's how you can install the Ubuntu One Indicator to your Ubuntu 12.04 system.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each:
sudo add-apt-repository ppa:rye/ubuntuone-extras
sudo apt-get update
sudo apt-get install indicator-ubuntuone
3. Logout and log back in.
For more, see the original article at the link below.
Install Ubuntu One Indicator | Noobslab