INFO="\033[1;36m"
NORMAL="\033[0;39m"

printf  "${INFO} Install now the vboxhost-kernel package corresponding to your kernel version. ${NORMAL}\n"

echo "For USB 2.0 facility, on the console:
# VBoxManage extpack install  /opt/VirtualBox/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack-*

To remove USB 2.0 Oracle extensions before an update:
# VBoxManage list extpacks
# VBoxManage extpack uninstall \"Oracle VM VirtualBox Extension Pack\"
# VBoxManage extpack cleanup

Then you can install the new version as above. No need to reboot."