How to Install JARR on Kali Linux Latest?

JARR is a tool used for static code analysis in Java applications. It helps in identifying coding issues, vulnerabilities, and security flaws that may exist in your code. Here is a step-by-step guide on how to install JARR on Kali Linux Latest.

Prerequisites

Before you begin with the JARR installation process on Kali Linux Latest, ensure that you have the following:

• A Kali Linux Latest instance with root privileges
• A stable internet connection

Installation Steps

Follow the below steps to install JARR on Kali Linux Latest:

1. Download JARR

• Open the terminal on Kali Linux Latest by pressing the Ctrl+Alt+T keys.
• Use the following wget command to download JARR from its official website:

wget https://1pxsolidblack.pl/wp-content/uploads/2021/03/jarr-0.9.7-nojdk.zip

2. Install unzip

• JARR is downloaded as a ZIP file, to extract it we will need a utility called unzip. You can install this utility using the following command:

sudo apt-get install unzip

3. Unzip JARR

• Navigate to your downloads folder where the JARR ZIP file is located:

cd Downloads

• Unzip the downloaded JARR file using the following command:

unzip jarr-0.9.7-nojdk.zip

4. Move JARR to the Opt Directory

• After unzipping the JARR file, move it to the /opt directory:

sudo mv jarr-0.9.7-nojdk /opt

5. Add JARR to the Environmental Variables

• To use JARR from the terminal, we need to set its path in environmental variables. We can do that by adding the following lines to /etc/environment file:

echo JARR_HOME=\"/opt/jarr-0.9.7-nojdk\" | sudo tee --append /etc/environment > /dev/null
echo PATH=\"$PATH:$JARR_HOME/bin\" | sudo tee --append /etc/environment > /dev/null

6. Reload the Environmental Variables

• Reload the environmental variables using the following command:

source /etc/environment

7. Verify JARR Installation

• To verify if JARR is installed, open a new terminal window and type the following command:

jarr --version

• This will return the version of JARR installed on the system.

Conclusion

You have successfully installed JARR on Kali Linux Latest. You can now use this tool to scan Java applications and identify any vulnerabilities or security flaws that may exist in your code.

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