https://segmentfault.com/q/1010000044572944sudo apt install --reinstall virtualbox-dkms sudo apt install libelf-dev sudo /sbin/vboxconfig You must sign these kernel modules before using VirtualBox: vboxdrv vboxnetf
https://segmentfault.com/q/1010000044572944sudo apt install --reinstall virtualbox-dkms sudo apt install libelf-dev sudo /sbin/vboxconfig