$ sudo apt-get update
$ sudo apt-get install ceilometer-agent-central 

ceilometer-agent-central is installed in your system.

Make ensure the ceilometer-agent-central package were installed using the commands given below,

$ sudo dpkg-query -l | grep ceilometer-agent-central *

You will get with ceilometer-agent-central package name, version, architecture and description in a table

ceilometer-agent-central package basic information: