Hacking on nd:

Install OpenLDAP
As root:
rm /etc/ldap/slapd.conf
ln -s <nd repo>/slapd.conf /etc/ldap/slapd.conf
ln -s <nd repo>/schema /etc/ldap/schema/netsoc.schema
/etc/init.d/slapd restart

To populate the database (warning: deletes whatever's there!)
ldopt="-D cn=root,dc=netsoc,dc=tcd,dc=ie -x -w foo -h 127.0.0.1"
ldapdelete $ldopt -r 'dc=netsoc,dc=tcd,dc=ie';
cat <nd repo>/{core.ldif,sampledata.ldif} |   ldapadd $ldopt