Step-by-Step Guide: Installing Tenable Nessus on a Linux/EC2 Instance

Introduction

Nessus is a powerful vulnerability scanner that helps organizations identify and remediate security threats. In this guide, we will walk through the step-by-step installation of Tenable Nessus on Linux. You can select the appropriate package for your OS from the Nessus download page.

Prerequisites

Before you begin, ensure you have:

• A Linux Server running CentOS or RHEL OS.
• Sufficient disk space to accommodate Nessus.
• Administrative access to the Server.

Step 1: Download the Tenable Nessus package file.

1. Download the appropriate Nessus package for your operating system using the following Nessus Download link.

2. To download the Nessus installation package, run the following curl command from the Nessus Download Page:

curl --request GET \
  --url 'https://www.tenable.com/downloads/api/v2/pages/nessus/files/Nessus-10.8.3-el9.x86_64.rpm' \
  --output 'Nessus-10.8.3-el9.x86_64.rpm'

3. Once the download is complete, install the Nessus package using:

sudo rpm -ivh Nessus-10.8.3-el9.x86_64.rpm