kdm-gdmcompat software package provides Provide basic gdm functionality to systems running kdm, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kdm-gdmcompat
kdm-gdmcompat is installed in your system.
Make ensure the kdm-gdmcompat package were installed using the commands given below,
$ sudo dpkg-query -l | grep kdm-gdmcompat *
You will get with kdm-gdmcompat package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | KDE |
| Package | kdm-gdmcompat |
| Version | 0.13-2 |
| Description | Provide basic gdm functionality to systems running kdm |
| Sub Section | KDE |