FHS (Filesystem Hierarchy Standard), defines the directory structure and directory contents in Linux operating systems and It is maintained by the Linux Foundation.
Setting Up a Linux Based Tomcat Server (for Java Applications)
Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. This tutorial covers the basic installation and some configuration of Tomcat on your Linux server.
Setup a Non-root User on a Linux Server (Ubuntu)
Having only one user, which is root, can be dangerous. Running your own personal server allows you the freedom of doing whatever you wish, so let’s make use of this by adding a user with sudo access instead of direct root access.