dkms software package provides Dynamic Kernel Module Support Framework, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dkms
dkms is installed in your system.
Make ensure the dkms package were installed using the commands given below,
$ sudo dpkg-query -l | grep dkms *
You will get with dkms package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Kernels |
| Package | dkms |
| Version | 2.3-1 |
| Description | Dynamic Kernel Module Support Framework |
| Sub Section | Kernels |