How to install Neo4j on Centos
Neo4j is the world’s leading graph database. It is built from the ground up to be a graph database, meaning that its architecture is designed for optimizing fast management, storage, and the traversal of nodes and relationships. Therefore, relationships are described as first-class citizens in Neo4j.
Let’s see how to install Neo4j
Prerequisites
Minimum 2GB RAM
JDK 1.8 required,if not installed click here
OS used here is CentOS.
Install Instructions
SSH onto the server then run the following commands
sudo sucd /tmp
add the GPG Key
wget http://debian.neo4j.org/neotechnology.gpg.key
rpm --import neotechnology.gpg.key
Add the repository
cat <<EOF> /etc/yum.repos.d/neo4j.repo
[neo4j]
name=Neo4j Yum Repo
baseurl=http://yum.neo4j.org
enabled=1
gpgcheck=1
EOF
If you wish to install a certain version of Neo4J then run a command like the one below replace the version number as required
yum -y install neo4j-3.4.5
If you just want the latest version run the alternative below command instead
yum -y install neo4j
edit /etc/neo4j/neo4j.conf
vim /etc/neo4j/neo4j.conf
Remove the # from the line below in the file
#org.neo4j.server.webserver.address=0.0.0.0
Restart the service
service neo4j restart
To have this run as a service run these commands
chkconfig --add neo4j
chkconfig neo4j on
Log into Neo4J on
http://<IP Address>:7474
The default username and password are neo4j/neo4j you will be prompted to change the password after the first login.