$ sudo apt-get update
$ sudo apt-get install barbican-keystone-listener 

barbican-keystone-listener is installed in your system.

Make ensure the barbican-keystone-listener package were installed using the commands given below,

$ sudo dpkg-query -l | grep barbican-keystone-listener *

You will get with barbican-keystone-listener package name, version, architecture and description in a table

barbican-keystone-listener package basic information: