hanscees Backup, now WMware.There is another answer that was staring you in the face, had you looked.PLEASE take a look at the available Contrib & Howto articles, it saves you asking the question where the answer already exists.http://wiki.contribs.org/Category:Contribhttp://wiki.contribs.org/Category:Howto& do scroll down the pages to see all articles & go to page 2 as well where it exists.
But thanks for the link, that is very helpful!
yum search all --enablerepo=virtualbox VirtualBox