First script builds up the structure and put in some basic permissions:

<file>
#!/bin/sh
passwd=password
dc1=example
dc2=net
hash_pw=`slappasswd -s $passwd`
tmpdir=/tmp
#--------------------------------------------------------------#
ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif
ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif
ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif
ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/misc.ldif
#——————————————————————-#
# database.ldif
#——————————————————————-#
cat <<EOF > $tmpdir/database.ldif
# Load dynamic backend modules
dn: cn=module{0},cn=config
objectClass: olcModuleList
cn: module{0}
olcModulePath: /usr/lib/ldap
olcModuleLoad: {0}back_hdb

# Create directory database
dn: olcDatabase={1}hdb,cn=config
objectClass: olcDatabaseConfig
objectClass: olcHdbConfig
olcDatabase: {1}hdb
olcDbDirectory: /var/lib/ldap
olcSuffix: dc=$dc1,dc=$dc2
olcRootDN: cn=admin,dc=$dc1,dc=$dc2
olcRootPW: $hash_pw
olcAccess: {0}to attrs=userPassword,shadowLastChange by dn="cn=admin,dc=$dc1,dc=$dc2" write by anonymous auth by self write by * none
olcAccess: {1}to dn.subtree="ou=addressbook,dc=example,dc=com" by users write by * read
olcAccess: {2}to dn.base="" by * read
olcAccess: {3}to * by dn="cn=admin,dc=$dc1,dc=$dc2" write by * read
olcLastMod: TRUE
olcDbCheckpoint: 512 30
olcDbConfig: {0}set_cachesize 0 2097152 0
olcDbConfig: {1}set_lk_max_objects 1500
olcDbConfig: {2}set_lk_max_locks 1500
olcDbConfig: {3}set_lk_max_lockers 1500
olcDbIndex: uid pres,eq
olcDbIndex: cn,sn,mail pres,eq,approx,sub
olcDbIndex: objectClass eq
################################
#        Modifications
################################

dn: cn=config
changetype: modify

dn: olcDatabase={-1}frontend,cn=config
changetype: modify
delete: olcAccess

dn: olcDatabase={0}config,cn=config
changetype: modify
add: olcRootDN
olcRootDN: cn=admin,cn=config

dn: olcDatabase={0}config,cn=config
changetype: modify
add: olcRootPW
olcRootPW: $hash_pw

dn: olcDatabase={0}config,cn=config
changetype: modify
delete: olcAccess
EOF
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f $tmpdir/database.ldif
####################################
#         Mini DIT
####################################
cat <<EOF> $tmpdir/dit.ldif
# Tree root

dn: dc=$dc1,dc=$dc2
objectClass: dcObject
objectclass: organization
o: $dc1.$dc2
dc: $dc1
description: Tree root

# Populating
dn: cn=admin,dc=$dc1,dc=$dc2
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: admin
userPassword: $hash_pw
description: LDAP administrator

dn: cn=aw,dc=$dc1,dc=$dc2
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: aw
userPassword: $hash_pw
description: LDAP aw

dn: ou=people,dc=$dc1,dc=$dc2
ou: people
objectClass: organizationalUnit
objectClass: top

dn: ou=groups,dc=$dc1,dc=$dc2
ou: groups
objectClass: organizationalUnit
objectClass: top

dn: ou=addressbook,dc=$dc1,dc=$dc2
ou: addressbook
objectClass: top
objectClass: organizationalUnit

#Adding user
dn: uid=ldap1,ou=people,dc=$dc1,dc=$dc2
objectClass: inetOrgPerson
objectClass: posixAccount
objectClass: shadowAccount
uid: ldap1
sn: Asdasd
givenName: ldap1
cn: ldap1 Asdasd
displayName: ldap1 asdasd
uidNumber: 1002
gidNumber: 1000
userPassword: $hash_pw
gecos: ldap1 asdasd
loginShell: /bin/bash
homeDirectory: /home/ldap1
shadowExpire: -1
shadowFlag: 0
shadowWarning: 7
shadowMin: 8
shadowMax: 999999
shadowLastChange: 10877
mail: aw@$dc1.$dc2
postalCode: 31000
l: Mysity
o: $dc1
mobile: +33 (0)6 22 22 22 22 22
homePhone: +33 (0)5 33 22 33 22
title: System Administrator
postalAddress:
initials: LP
EOF

sudo ldapadd -x -D cn=admin,dc=$dc1,dc=$dc2 -W -f $tmpdir/dit.ldif
</file>

The following script tear down any OpenLDAP installation and cleans up big time leaving nothing behind:

<file>
#!/bin/sh
aptitude purge slapd ldap-utils
cat /dev/null > /var/log/debug
rm /var/lib/ldap/*
rm  -rf /etc/ldap
apt-get install slapd ldap-utils
</file>





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Source: http://albanianwizard.org/ubuntu-10-0-4-lucid-lynx-ldap-configuration-the-working-how-to.albanianwizard