$ sudo apt-get update
$ sudo apt-get install libcgi-validop-perl 

libcgi-validop-perl is installed in your system.

Make ensure the libcgi-validop-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libcgi-validop-perl *

You will get with libcgi-validop-perl package name, version, architecture and description in a table

libcgi-validop-perl package basic information: