How To Install jclassinfo on Kali Linux

Introduction

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

What is jclassinfo

jclassinfo is:

jclassinfo reads Java class files and extract useful information from them, such as:

• the classes/methods/constants/fields provided
• their dependencies
• the version of the virtual machine necessary to run them
• a full disassembly of the bytecode
• other attributes

Its main advantage over other similar programs is that it is written in C, which makes it much faster and more suitable for scripting.

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

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

sudo apt-get update

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

sudo apt-get -y install jclassinfo

Install jclassinfo Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install jclassinfo

Install jclassinfo 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 jclassinfo using aptitude by running the following command:

sudo aptitude -y install jclassinfo

How To Uninstall jclassinfo on Kali Linux

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

sudo apt-get remove jclassinfo

Uninstall jclassinfo And Its Dependencies

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

sudo apt-get -y autoremove jclassinfo

Remove jclassinfo Configurations and Data

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

sudo apt-get -y purge jclassinfo

Remove jclassinfo configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge jclassinfo

Dependencies

jclassinfo have the following dependencies:

• libc6
• zlib1g

References

• jclassinfo website

Summary

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