$ sudo apt-get update
$ sudo apt-get install kubuntu-active-default-setting

kubuntu-active-default-setting is installed in your system.

Make ensure the kubuntu-active-default-setting package were installed using the commands given below,

$ sudo dpkg-query -l | grep kubuntu-active-default-setting*

You will get with kubuntu-active-default-setting package name, version, architecture and description in a table

kubuntu-active-default-setting package basic information: