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1. Download and install the LDAP server supporting virtual directory server in ${LDAP_SERVER} from the next url:
   http://builds.safehaus.org/penrose/latest/vd-server-2.0.tar.gz
   
   
2. Run /opt/vd-server-2.0/bin/vd-config.sh after you installed the server.
   
   
3. Run the server in the port ${LDAP_SERVER_PORT}
   
   

1. Modify the file ${LDAP_SERVER}/conf/connections.xml to add the connections.
   
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   <connection name="ldap_conn1">

       <adapter-name>LDAP</adapter-name>

       <parameter>

           <param-name>java.naming.provider.url</param-name>

           <param-value>ldap://${LDAP_1_HOST}:${LDAP_1_PORT}/</param-value>

       </parameter>

       <parameter>

           <param-name>java.naming.security.principal</param-name>

           <param-value>${LDAP_1_USR}</param-value>

       </parameter>

       <parameter>

           <param-name>java.naming.security.credentials</param-name>

           <param-value>${LDAP_1_PWD}</param-value>

       </parameter>

   </connection>

   <connection name="ldap_conn2">

       <adapter-name>LDAP</adapter-name>

       <parameter>

           <param-name>java.naming.provider.url</param-name>

           <param-value>ldap://${LDAP_2_HOST}:${LDAP_2_PORT}/</param-value>

       </parameter>

       <parameter>

           <param-name>java.naming.security.principal</param-name>

           <param-value>${LDAP_2_USR}</param-value>

       </parameter>

       <parameter>

           <param-name>java.naming.security.credentials</param-name>

           <param-value>${LDAP_2_PWD}</param-value>

       </parameter>

   </connection>

1. Modify the file ${LDAP_SERVER}/conf/sources.xml to add the sources from ldap servers.
   
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   <source name="ldap_src1">

       <connection-name>ldap_conn1</connection-name>

           <field name="uid" primaryKey="true"/>

           <field name="cn"/>

           <field name="sn"/>

           <field name="userPassword"/>

       <parameter>

           <param-name>baseDn</param-name>

           <param-value>ou=Users,dc=ldap-server1,dc=ochounos,dc=com</param-value>

       </parameter>

   </source>

   <source name="ldap_src2">

       <connection-name>ldap_conn2</connection-name>

           <field name="uid" primaryKey="true"/>

           <field name="cn"/>

           <field name="sn"/>

           <field name="userPassword"/>

       <parameter>

           <param-name>baseDn</param-name>

           <param-value>ou=Users,dc=ldap-server2,dc=ochounos,dc=com</param-value>

       </parameter>

   </source>
2. Add also a source combining the both sources defining in the step behind.
   
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   <source name="mergedSource">

       <source-class>org.safehaus.penrose.source.MergeSource</source-class>

       <parameter>

           <param-name>sources</param-name>

           <param-value>ldap_src1,ldap_src2</param-value>

       </parameter>

       <parameter>

           <param-name>attributes</param-name>

           <param-value>uniqueMember</param-value>

       </parameter>

   </source>

1. Modify the file ${LDAP_SERVER}/conf/directory.xml to add the dinamic entry.
   
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   <entry dn="uid=...,ou=Users,dc=ldap-merged,dc=ochounos,dc=com">

       <entry-class>org.safehaus.penrose.directory.DynamicEntry</entry-class>

           <oc>person</oc>

           <oc>top</oc>

           <oc>uidObject</oc>

           <at name="uid" rdn="true">

               <variable>src.uid</variable>

           </at>

           <at name="sn">

               <variable>src.sn</variable>

           </at>

           <at name="cn">

               <variable>src.cn</variable>

           </at>

           <at name="userPassword">

               <variable>src.userPassword</variable>

           </at>

       <source alias="src">

           <source-name>mergedSource</source-name>

       </source>

   </entry>
2. Add the fields that you need and consolidate fields from different ldap servers to ensure that the merged tree have the correct fields.
   

1. You can use as many ldap sources as you want, also a source can come from a database (mysql, oracle, informix, ...) or any combination between them.