I've been stumped for two weeks now trying to implement the memberOf Overlay via directory based model. I even tried it via a slapd.con file and still had trouble. Here is my installation steps on Ubuntu. Is anyone able to spot where I'm going wrong with my configurations?
################
# Setup OpenLDAP
################
sudo apt-get -y install slapd ldap-utils
cd /etc/ldap
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif
sudo vi db.ldif
# Load dynamic backend modules
dn: cn=module{0},cn=config
objectClass: olcModuleList
cn: module {0}
olcModulepath: /usr/lib/ldap
olcModuleload: {0}back_hdb
olcModuleload: {1}memberof.la
# Create the database
dn: olcDatabase={1}hdb,cn=config
objectClass: olcDatabaseConfig
objectClass: olcHdbConfig
olcDatabase: {1}hdb
olcDbDirectory: /var/lib/ldap
olcSuffix: dc=mydomain,dc=com
olcRootDN: cn=admin,dc=mydomain,dc=com
olcRootPW: password
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
olcLastMod: TRUE
olcDbCheckpoint: 512 30
olcDbIndex: uid pres,eq
olcDbIndex: cn,sn,mail pres,eq,approx,sub
olcDbIndex: objectClass eq
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f db.ldif
sudo slappasswd -h {MD5}
sudo vi base.ldif
dn: dc=mydomain,dc=com
objectClass: dcObject
objectclass: organization
o: mydomain.com
dc: mydomain
description: My LDAP Root
dn: cn=admin,dc=mydomain,dc=com
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: admin
userPassword: {MD5}gdyb21LQTcIANtvYMT7QVQ==
description: LDAP administrator
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f base.ldif
sudo vi config.ldif
dn: cn=config
changetype: modify
delete: olcAuthzRegexp
dn: olcDatabase={-1}frontend,cn=config
changetype: modify
delete: olcAccess
dn: olcDatabase={0}config,cn=config
changetype: modify
delete: olcRootDN
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: {MD5}gdyb21LQTcIANtvYMT7QVQ==
dn: olcDatabase={0}config,cn=config
changetype: modify
delete: olcAccess
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f config.ldif
sudo vi acl.ldif
dn: olcDatabase={1}hdb,cn=config
add: olcAccess
olcAccess: to attrs=userPassword,shadowLastChange by dn="cn=admin,dc=mydomain,dc=com" write by anonymous auth by self write by * none
olcAccess: to dn.base="" by * read
olcAccess: to * by dn="cn=admin,dc=mydomain,dc=com" write by * read
sudo ldapmodify -x -D cn=admin,cn=config -W -f acl.ldif