MongoDB is a scalable, high-performance, open source document-oriented database. You'll need to create a mongo user and group in order to run mongo with the provided init script: # groupadd -g 285 mongo # useradd -u 285 -d /var/lib/mongodb -s /bin/false -g mongo mongo You'll also need to add the following to /etc/rc.d/rc.local if [ -x /etc/rc.d/rc.mongodb ]; then /etc/rc.d/rc.mongodb start fi