altrimenti gli dai login e pass. vedi tu quale è più comodo.For the first way (via the web), open a browser and enter the address: http://one.ubuntu.com, and enter your account information to login. After that, select the Files in the navigation menu, and browse the contents of the folder you Ubuntu One to find files that will be shared. Click “more” to the right of the file that will be shared, then click “Publish File” to provide access to other users in downloading those files.
Inform the public URL to your friends
Once the file is published, you will get a “Public URL”, and this is what the future can you tell to your friends to “share” the file. If you already do not have to share those files, click on “Stop publishing” to close access to the file.