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Neo4j

Neo4j

Neo4j is the leading native graph database. Cypher query language, ACID transactions, and built-in graph algorithms for connected data. Used at NASA, eBay, the German Bundesliga, and Fortune 500 fraud-detection teams. The most-deployed graph database in production.

At a glance

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Active installs

License GPL-3.0 Version Latest OS Ubuntu Server 24.04 LTS Min RAM 2 GB IP IPV4,IPV6

Active installs is sample data (staging preview); real metric wires in before launch.

Access the Web UI

To access the web-based user interface securely, create an SSH tunnel.

From your local machine:

ssh -L 7474:localhost:7474 -L 7687:localhost:7687 root@<server-ip>

Then visit: http://localhost:7474

It might take a few minutes to come up.

Login with default credentials:

  • Username: neo4j
  • Password: neo4j

You will be prompted to change the password upon first login.

Protocol Endpoints

  • Bolt: bolt://localhost:7687
  • Neo4j URI: neo4j://localhost:7687

Connect using Cypher Shell

cypher-shell -a 'neo4j://localhost:7687'

Important Directories

  • Configuration: /etc/neo4j/
  • Database files: /var/lib/neo4j/data/
  • Log files: /var/log/neo4j/
  • Plugins: /var/lib/neo4j/plugins/

Managing Neo4j

sudo systemctl start neo4j       # Start Neo4j
sudo systemctl stop neo4j        # Stop Neo4j
sudo systemctl restart neo4j     # Restart Neo4j
sudo systemctl status neo4j      # Check status

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