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I am trying to allow for bidirectional copy/pasting between my host MacOS Lion machine and my virtual Ubuntu Unity machine within Virtual box.

Hence, I specified Settings => Advanced => Shared Clipboard to be "Bidirectional." However, I cannot copy/paste from or to my Mac OS or Ubuntu.

Why? Is there something else I must do?

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up vote 1 down vote accepted

Have you installed the Virtual Box Guest Addtion on the Ubuntu guest VM?

Please refer to this: VirtualBox shared clipboard?

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