How To Install libguard-perl on Ubuntu 18.04

In this tutorial we learn how to install libguard-perl on Ubuntu 18.04. libguard-perl is Perl module providing safe cleanup using guard objects

Introduction

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

What is libguard-perl

libguard-perl is:

Guard is a Perl module implementing so-called “guards,” which are things that “guard” a resource, ensuring that it is safely cleaned up when expected, even if exceptional conditions interrupt the normal control flow. This allows one to write code which executes an arbitrary code block or subroutine when either the related Guard Object is destroyed or when the current scope ends. In other languages, this sort of functionality is provided by the ‘finally’ keyword.

There are three methods to install libguard-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 libguard-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 libguard-perl using apt-get by running the following command:

sudo apt-get -y install libguard-perl

Install libguard-perl Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libguard-perl

Install libguard-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 libguard-perl using aptitude by running the following command:

sudo aptitude -y install libguard-perl

How To Uninstall libguard-perl on Ubuntu 18.04

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

sudo apt-get remove libguard-perl

Uninstall libguard-perl And Its Dependencies

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

sudo apt-get -y autoremove libguard-perl

Remove libguard-perl Configurations and Data

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

sudo apt-get -y purge libguard-perl

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

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

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

References

Summary

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