How To Install pngcrush on Kali Linux

In this tutorial we learn how to install pngcrush on Kali Linux. pngcrush is optimizes PNG (Portable Network Graphics) files

Introduction

In this tutorial we learn how to install pngcrush on Kali Linux.

What is pngcrush

pngcrush is:

Pngcrush is an optimizer for PNG (Portable Network Graphics) files. Its main purpose is to reduce the size of the PNG IDAT data stream by trying various compression levels and PNG filter methods. It also can be used to remove unwanted ancillary chunks, or to add certain chunks including gAMA, tRNS, and textual chunks.

There are three methods to install pngcrush 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 pngcrush Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install pngcrush

Install pngcrush Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install pngcrush using apt by running the following command:

sudo apt -y install pngcrush

Install pngcrush 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 pngcrush using aptitude by running the following command:

sudo aptitude -y install pngcrush

How To Uninstall pngcrush on Kali Linux

To uninstall only the pngcrush package we can use the following command:

sudo apt-get remove pngcrush

Uninstall pngcrush And Its Dependencies

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

sudo apt-get -y autoremove pngcrush

Remove pngcrush Configurations and Data

To remove pngcrush configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge pngcrush

Remove pngcrush configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge pngcrush

Dependencies

pngcrush have the following dependencies:

References

Summary

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