How To Install ruby-fastimage on Kali Linux

In this tutorial we learn how to install ruby-fastimage on Kali Linux. ruby-fastimage is Ruby library for finding the size or type of image with minimal dependency

Introduction

In this tutorial we learn how to install ruby-fastimage on Kali Linux.

What is ruby-fastimage

ruby-fastimage is:

FastImage does this minimal fetch for image types GIF, JPEG, PNG, TIFF, BMP and PSD.

And it doesn’t rely on installing external libraries such as RMagick (which relies on ImageMagick or GraphicsMagick) or ImageScience (which relies on FreeImage).

You only need supply the uri, and FastImage will do the rest.

There are three methods to install ruby-fastimage on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-fastimage Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ruby-fastimage

Install ruby-fastimage Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-fastimage

Install ruby-fastimage Using aptitude

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

sudo aptitude update

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

sudo aptitude -y install ruby-fastimage

How To Uninstall ruby-fastimage on Kali Linux

To uninstall only the ruby-fastimage package we can use the following command:

sudo apt-get remove ruby-fastimage

Uninstall ruby-fastimage And Its Dependencies

To uninstall ruby-fastimage and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove ruby-fastimage

Remove ruby-fastimage Configurations and Data

To remove ruby-fastimage configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge ruby-fastimage

Remove ruby-fastimage configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-fastimage

Dependencies

ruby-fastimage have the following dependencies:

References

Summary

In this tutorial we learn how to install ruby-fastimage package on Kali Linux using different package management tools: apt, apt-get and aptitude.