$ sudo apt-get update
$ sudo apt-get install obex-data-server 

obex-data-server is installed in your system.

Make ensure the obex-data-server package were installed using the commands given below,

$ sudo dpkg-query -l | grep obex-data-server *

You will get with obex-data-server package name, version, architecture and description in a table

obex-data-server package basic information: