$ sudo apt-get update
$ sudo apt-get install eiskaltdcpp-qt-data 

eiskaltdcpp-qt-data is installed in your system.

Make ensure the eiskaltdcpp-qt-data package were installed using the commands given below,

$ sudo dpkg-query -l | grep eiskaltdcpp-qt-data *

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

eiskaltdcpp-qt-data package basic information: