33 | | * To check whether the drivers are basically working on a given Linux guest at a given time, execute ``lsmod | grep vbox`` in a command terminal on the guest system. This will list the drivers which are working, but does not rule out more subtle problems in the drivers. |
| 33 | * To check which version of the Guest Additions are installed, execute `modinfo vboxguest`. The user-space tools (`VBoxClient`, `VBoxService`, `VBoxControl`) all have `--version` options to check that those versions match, though at this time (5.1 series) `VBoxService` only answers if the drivers are loaded. |
| 34 | * To check whether the drivers are basically working on a given Linux guest at a given time, execute `lsmod | grep vbox` in a command terminal on the guest system. This will list the drivers which are working, but does not rule out more subtle problems in the drivers. |