How To Install Zenmap on Ubuntu 20.04 LTS

Install Zenmap on Ubuntu 20.04

In this tutorial, we will show you how to install Zenmap on Ubuntu 20.04 LTS. For those of you who didn’t know, Zenmap is the official cross-platform GUI for the Nmap Security Scanner. The main difference between Zenmap and Nmap tools is its graphical interface, which can be suitable for beginners or speed up the work process. This means that you can simply scan graphically without using a Linux terminal. It is free and runs on Linux, Windows, Mac OS X, etc.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Zenmap Nmap GUI on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.


  • A server running one of the following operating systems: Ubuntu 20.04, 18.04, 16.04, and any other Debian-based distribution like Linux Mint.
  • It’s recommended that you use a fresh OS install to prevent any potential issues.
  • You will need an active internet connection to download the Zenmap package.
  • A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Zenmap on Ubuntu 20.04 LTS Focal Fossa

Step 1. First, make sure that all your system packages are up-to-date by running the following apt commands in the terminal.

sudo apt update
sudo apt upgrade

Updating the package repository ensures that you have the most current information about available packages and their versions. This is crucial to make sure you install the latest version of Zenmap.

Step 2. Installing Nmap.

To install Nmap on the Ubuntu system type or copy-paste the below command on your terminal:

sudo apt install nmap

Step 3. Installing Python GTK.

Zenmap uses Python GTK for creating a graphical user interface, you need to install Python GTK on your Ubuntu system using the following command below:

sudo apt install ./python-gtk2_2.24.0-5.1ubuntu2_amd64.deb

Step 4. Installing Zenmap on Ubuntu 20.04.

Now run the following command to download the latest Zenmap packages:


Finally, you can install Zenmap using the following command:

sudo apt install ./zenmap_7.60-1ubuntu5_all.deb

Step 5. Accessing Zenmap on Ubuntu.

Once successfully installed, you can launch Zenmap both from your desktop environment main menu, or launch Zenmap on your command terminal simply type:

sudo zenmap

Install Zenmap on Ubuntu 20.04 LTS Focal Fossa

Congratulations! You have successfully installed Zenmap. Thanks for using this tutorial for installing the Zenmap network scanning and analysis tool on your Ubuntu 20.04 LTS Focal Fossa system. For additional help or useful information, we recommend you check the official Zenmap website.

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r00t is a seasoned Linux system administrator with a wealth of experience in the field. Known for his contributions to, r00t has authored numerous tutorials and guides, helping users navigate the complexities of Linux systems. His expertise spans across various Linux distributions, including Ubuntu, CentOS, and Debian. r00t's work is characterized by his ability to simplify complex concepts, making Linux more accessible to users of all skill levels. His dedication to the Linux community and his commitment to sharing knowledge makes him a respected figure in the field.
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