cpansign command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

cpansign: command not found

or when using sudo you get the following error message

sudo: cpansign: command not found

Solutions to cpansign: command not found

How To Fix cpansign: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu cpansign is provided by libmodule-signature-perl package.

libmodule-signature-perl is:

Module::Signature is a Perl module that adds cryptographic authentications to CPAN distributions, via the special SIGNATURE file. It also includes the cpansign tool to sign distributions and to verify signatures, and supports using many different cryptographic hashing algorithms.

To fix this problem, we can install more using the command below.

sudo apt-get -y install libmodule-signature-perl

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install libmodule-signature-perl.

sudo apt -y install libmodule-signature-perl

Or if you have aptitude installed you can use the following command.

sudo aptitude install libmodule-signature-perl

Summary

In this tutorial we learn how to fix cpansign command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.