Easy way to install virtualbox on Ubuntu
root:~# sudo dpkg-reconfigure virtualbox-dkms dpkg-query
dpkg-query: package ‘virtualbox-dkms’ is not installed and no information is available
Use dpkg –info (= dpkg-deb –info) to examine archive files,
and dpkg –contents (= dpkg-deb –contents) to list their contents.
/usr/sbin/dpkg-reconfigure: virtualbox-dkms is not installed
