How does one manage the upload speed of Ubuntu One?

Solution 1:

In the Ubuntu One settings application there is an option to allow setting the maximum upload and download bandwidth used. Look under the "Devices" tab in the Ubuntu One application.

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Solution 2:

There is an ubuntu one indicator, but I never tested it: http://www.omgubuntu.co.uk/2011/01/the-omg-guide-to-must-have-indicator-applets/