$ sudo apt-get update
$ sudo apt-get install libghc-wai-handler-fastcgi-pro

libghc-wai-handler-fastcgi-pro is installed in your system.

Make ensure the libghc-wai-handler-fastcgi-pro package were installed using the commands given below,

$ sudo dpkg-query -l | grep libghc-wai-handler-fastcgi-pro*

You will get with libghc-wai-handler-fastcgi-pro package name, version, architecture and description in a table

libghc-wai-handler-fastcgi-pro package basic information: