wget http://debian.neo4j.org/neotechnology.gpg.key
rpm --import neotechnology.gpg.key

cat <<EOF>  /etc/yum.repos.d/neo4j.repo
[neo4j]
name=Neo4j Yum Repo
baseurl=http://yum.neo4j.org
enabled=1
gpgcheck=1
EOF

yum install neo4j-2.2.6