Version 4.2 of VirtualBox was released two days ago (so far for Linux only). Download it from here: https://www.virtualbox.org/wiki/Linux_Downloads
virtualbox
This is what I did to install Oracle VM VirtualBox on a new Fedora 15 installation.
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Enesi Consulting AS
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Enesi Consulting AS is at the time being just Øyvind Isene. Mostly Oracle, Linux, integration, and troubleshooting.
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