Create the following script, and these files.  Note that
you need to put some real passwords in there, change the
country code from NZ to (whatever) and change YOUR ORGANIZATION
to your organisation name.

This is with OpenLDAP 1.2 on RedHat 5.2 using the contrib.redhat.com
RPMs.

--------------------- runme ------------------------
#!/bin/sh

echo "Stopping LDAP and trashing database ..."

/etc/rc.d/init.d/ldap stop
rm -f /var/ldap/*

echo "Rebuilding database ..."

ldif2ldbm -f /etc/ldap/slapd.conf -i firstdb.txt

echo "Starting LDAP ..."

/etc/rc.d/init.d/ldap start

sleep 5

echo "Querying database ..."

ldapsearch -b 'o=YOUR ORGANIZATION,c=NZ' 'objectClass=*'

--------------------- firstdb.txt ------------------------
dn: o=YOUR ORGANIZATION,c=NZ
objectClass: organization

dn: ou=Members,o=YOUR ORGANIZATION,c=NZ
objectClass: organizationalUnit

dn: cn=Del,ou=Members,o=YOUR ORGANIZATION,c=NZ
cn: Del
sn: Elson
ou: Members
mail: del@babel.com.au
objectClass: person
userPassword: DoILookStupid?

dn: uid=root,ou=Members,o=YOUR ORGANIZATION,c=NZ
uid: root
ou: Members
description: System Administrator account
host: nz.babel.com.au
seeAlso: cn=Del,ou=Members,o=YOUR ORGANIZATION,c=NZ
objectClass: account

--------------------- /etc/ldap/slapd.conf ---------------
#
# See slapd.conf(5) for details on configuration options.
# This file should NOT be world readable.
#
include         /etc/ldap/slapd.at.conf
include         /etc/ldap/slapd.oc.conf
schemacheck     off
#referral       ldap://ldap.itd.umich.edu

pidfile         /var/run/slapd.pid
argsfile        /var/run/slapd.args

#######################################################################
# ldbm database definitions
#######################################################################


database        ldbm
suffix          "o=YOUR ORGANIZATION,c=NZ"
index           cn,sn,ou        pres,eq,approx
index           objectclass     pres,eq
index           default         none
directory       /var/ldap
rootdn          "uid=root,ou=Members,o=YOUR ORGANIZATION,c=NZ"
rootpw          DontAskMeThat
# cleartext passwords, especially for the rootdn, should
# be avoid.  See slapd.conf(5) for details.

--------------------- /etc/ldap/ldap.conf ---------------
HOST localhost
BASE o=YOUR ORGANIZATION,c=NZ

--------------------- /etc/ldap/ud.conf ---------------
HOST localhost
BASE o=YOUR ORGANIZATION,c=NZ