How to install theharvester in kali linux

TheHarvester is a popular open-source tool used for intelligence gathering and reconnaissance. It is a very useful tool for penetration testers, security researchers, and ethical hackers who are looking to gather information about their targets. In this article, we will discuss the steps to install TheHarvester in Kali Linux.

Kali Linux is a Debian-based Linux distribution that is specifically designed for penetration testing and digital forensics. It is a popular choice for security professionals and ethical hackers because it comes with a wide range of pre-installed tools, including TheHarvester.

Steps to install TheHarvester in Kali Linux

Step 1: Update the package list

Before installing any new tool in Kali Linux, it is always a good practice to update the package list. This ensures that you have the latest version of the package available for installation. Open a terminal in Kali Linux and run the following command:

sudo apt-get update

This will update the package list, and you will see the progress on your terminal screen.

Step 2: Install TheHarvester

Once the package list is updated, you can install TheHarvester using the following command:

sudo apt-get install theharvester

This command will install TheHarvester and all its dependencies. During the installation process, you will be prompted to confirm the installation. Press ‘Y’ to proceed with the installation.

Step 3: Verify the installation

Once the installation is complete, you can verify the installation by running the following command:


If the installation was successful, you should see the output of theharvester on your terminal screen.

Step 4: Usage of TheHarvester

Now that you have installed TheHarvester, you can use it to gather information about your targets. Here is an example of how to use TheHarvester:

theharvester -d -l 500 -b all

In this example, we are using TheHarvester to gather information about The ‘-d’ option specifies the target domain, the ‘-l’ option specifies the limit of search results, and ‘-b’ option specifies the data source to use. In this case, we are using an ‘all’ data source, which will search multiple sources for information about the target.

You can also use other options with TheHarvester, such as ‘-e’ to specify an email address or ‘-f’ to specify an output file.


Installing TheHarvester in Kali Linux is a straightforward process. With just a few commands, you can install TheHarvester and start gathering information about your targets. The Harvester is a powerful tool that can be used for intelligence gathering and reconnaissance. It is a must-have tool for anyone involved in penetration testing, security research, or ethical hacking.

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