As some of you may or may not know, Sun Microsystems was purchased by Oracle. In this process, the encryption keys they use to validate their software repositories have changed. this will cause ubuntu updates to throw an error involving NO_PUBKEY.
this applies to everyone running a virtual machine on virtualbox.
first run following (this is one line not two - it wrapped):
wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install virtualbox-3.2
to upgrade virtualbox to the laaatest version. dont forget to install the vm client utilities!!! enjoy!!
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