How To Install libsignatures-perl on Ubuntu 18.04

In this tutorial we learn how to install libsignatures-perl on Ubuntu 18.04. libsignatures-perl is Perl pragma for subroutine signatures

Introduction

In this tutorial we learn how to install libsignatures-perl on Ubuntu 18.04.

What is libsignatures-perl

libsignatures-perl is:

signatures is a Perl pragma that provides a simple and robust way to declare named parameters for your subroutines. It provides a syntax similar to Perl function prototypes (see perlsub) and is robust since it does this without using source filters. It also provides a way to combine these signatures with normal Perl prototypes.

There are three methods to install libsignatures-perl on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libsignatures-perl Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libsignatures-perl using apt-get by running the following command:

sudo apt-get -y install libsignatures-perl

Install libsignatures-perl Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libsignatures-perl using apt by running the following command:

sudo apt -y install libsignatures-perl

Install libsignatures-perl Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libsignatures-perl using aptitude by running the following command:

sudo aptitude -y install libsignatures-perl

How To Uninstall libsignatures-perl on Ubuntu 18.04

To uninstall only the libsignatures-perl package we can use the following command:

sudo apt-get remove libsignatures-perl

Uninstall libsignatures-perl And Its Dependencies

To uninstall libsignatures-perl and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libsignatures-perl

Remove libsignatures-perl Configurations and Data

To remove libsignatures-perl configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libsignatures-perl

Remove libsignatures-perl configuration, data, and all of its dependencies

We can use the following command to remove libsignatures-perl configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libsignatures-perl

References

Summary

In this tutorial we learn how to install libsignatures-perl package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.