How to Install Neo4j on Ubuntu 20.04

Reading Time: 8 minutes

Introduction

In this tutorial, we will examine what Neo4j is, what it is used for, and how it is implemented. We will also install and configure the installation on an Ubuntu 20.04 server. Neo4j is a graphical database used to create data relationships. Other examples of graphical databases include:

  • ArangoDB
  • Grakn Core
  • Microsoft SQL Server 2017
  • OrientDB
  • RedisGraph
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An Introduction to Firewalld

Reading Time: 5 minutes

In some ways, firewalld on systemd systems is easier to manage and configure than iptables. There are, for the most part, no long series of chains, jumps, accepts and denies that you need to memorize to get firewalld up and running in a basic configuration. The rules are simple and straightforward, but there is no reason you cannot still have all the power that iptables afforded.

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Creating and Deleting a PostgreSQL Database on Ubuntu 16.04

Reading Time: 2 minutes

PostgreSQL (pronounced “post-gress-Q-L”) is a household name for open source relational database management systems.

Its object-relational meaning that you’ll be able to use objects, classes in database schemas and the query language.  In this tutorial, we will be demonstrating some essentials like creating, listing and deleting a database.

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