VBoxLinuxAdditions install

apt-get update
prepare-kernel-sources
cd /usr/src/linux
cp -rf include/generated/* include/linux/
cd ~/
wget http://download.virtualbox.org/virtualbox/4.0.8/VBoxGuestAdditions_4.0.8.iso
mkdir /a
mount –o loop VBoxGuestAdditions_4.0.8.iso /a
cd /a
chmod a+x VBoxLinuxAdditions.run
./VBoxLinuxAdditions.run