Neo4j database

Neo4j belongs to the NoSQL database world and it's based on the graph store data model. It is very useful if you want to visualize your data. The graphical data visualization often leads to the identification of different patterns that are largely overlooked when we view data in tabular or textual formats. It is an open source software and the complete source code is available at GitHub.

Installing Neo4j

We will now install Neo4j. Follow this step-by-step guide to successfully install it in your server:

1. Execute the following to extract the GPG key, similar to what we did during the installation of MongoDB:

$ wget -O - https://debian.neo4j.org/neotechnology.gpg.key | sudo apt-key add -

2. Execute the following command to create a Neo4j repository source list:

$ echo 'deb http://debian.neo4j.org/repo stable/' | sudo tee -a /etc/apt/sources.list.d/neo4j.list

3. Execute the following command to update the repository package details, as we have now added the Neo4j repository to the list:

$ sudo...