
In this guide, we will explain how to install the Lynis community edition on an Ubuntu 18.04 VPS.
Lynis is an open-source tool for security auditing, compliance testing, and vulnerability detection. Lynis also scan for general system information and possible configuration issues and provide tips for further system hardening.

Lynis comes in two editions, community and enterprise. The enterprise editions include more tests and it is bundled with plugins. When extended with plugins, Lynis will perform additional tests and collect more system information. Lynis runs on all Linux distributions and it is used by thousands of developers, system administrators, IT auditors, and penetration testers all around the world.
This guide should work on other Linux VPS systems as well, but it was tested and written for an Ubuntu 18.04 VPS.

A LAMP (Linux, Apache, MySQL, PHP) stack is a combination of open-source software, typically installed on a server used for hosting dynamic websites and web applications. It includes the Linux operating system, the Apache web server, MySQL or MariaDB for data storage and management, and PHP for handling any dynamic content.
NodeBB is an open-source forum software that runs on 
Invoice Ninja is an open-source software application for invoicing and billing customers. It is built using PHP and JavaScript, on top of the Laravel framework. Some of the features include recurring invoices, creating tasks, proposals, and projects, invoice designs, more than 40 payment options, and partial payments. Looking to get some fully managed hosting for your InvoiceNinja account? We offer complete migration, installation, optimization, and customization – 100% free of charge! Check out our premium affordable 
GlassFish is a complete Java EE application server, including an EJB container and all the other features of this stack. 
Docker is a software development platform which makes it easy and simple to run applications in a container. It’s a kind of virtualization technology that makes it simple to develop and deploy applications inside of neatly packaged virtual containerized environments. Docker containers can be deployed to any machine without any compatibility issues, so the software stays system agnostic, simpler to use, less work to develop, and easy to maintain and deploy. Let’s begin the installation.
Jetty is an open-source HTTP Servlet Server written entirely in Java. It is designed to be lightweight, high-performance, embeddable, extensible, and flexible, thus making it an ideal platform for serving dynamic HTTP requests from any Java application. Let’s begin with the installation.
Feng Office is a commercial open-source web-based collaboration platform written in PHP. For the purposes of this tutorial, we will install Feng Onsite, which is a self-hosted Feng Office solution. The install process shouldn’t take longer than 10 minutes, so you’ll be ready to go with Feng Office right away. Let’s begin installing Feng Office.