$ sudo apt-get update
$ sudo apt-get install libjifty-plugin-sitenews-perl 

libjifty-plugin-sitenews-perl is installed in your system.

Make ensure the libjifty-plugin-sitenews-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libjifty-plugin-sitenews-perl *

You will get with libjifty-plugin-sitenews-perl package name, version, architecture and description in a table

libjifty-plugin-sitenews-perl package basic information: