lsmod | grep vbox
Oracle VM VirtualBox relies on several native kernel modules ( vboxdrv , vboxnetflt , vboxnetadp , vboxpci ) to interface with the host system’s hardware. Without DKMS, every kernel update would break VirtualBox functionality, requiring you to manually recompile or reinstall the modules. dkms virtualbox
If the automatic build failed during an update, force it manually: lsmod | grep vbox Oracle VM VirtualBox relies