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Adding additional schemas to slapd requires the schema to be converted to LDIF format. Fortunately, the slapd program can be used to automate the conversion. The following example will add the misc.schema:

1. First, create a conversion schema_convert.conf file containing the following lines:
<code>
include /etc/ldap/schema/core.schema
include /etc/ldap/schema/collective.schema
include /etc/ldap/schema/corba.schema
include /etc/ldap/schema/cosine.schema
include /etc/ldap/schema/duaconf.schema
include /etc/ldap/schema/dyngroup.schema
include /etc/ldap/schema/inetorgperson.schema
include /etc/ldap/schema/java.schema
include /etc/ldap/schema/misc.schema
include /etc/ldap/schema/nis.schema
include /etc/ldap/schema/openldap.schema
include /etc/ldap/schema/ppolicy.schema
</code>
2. Next, create a temporary directory to hold the output:

mkdir /tmp/ldif_output

3. Now using slaptest convert the schema files to LDIF:

slaptest -f schema_convert.conf -F /tmp/ldif_output

Adjust the configuration file name and temporary directory names if yours are different. Also, it may be worthwhile to keep the ldif_output directory around in case you want to add additional schemas in the future.

4. Edit the /tmp/ldif_output/cn=config/cn=schema/cn={8}misc.ldif file, changing the following attributes:

dn: cn=misc,cn=schema,cn=config
...
cn: misc

And remove the following lines from the bottom of the file:

structuralObjectClass: olcSchemaConfig
entryUUID: 10dae0ea-0760-102d-80d3-f9366b7f7757
creatorsName: cn=config
createTimestamp: 20080826021140Z
entryCSN: 20080826021140.791425Z#000000#000#000000
modifiersName: cn=config
modifyTimestamp: 20080826021140Z

[Note]

The attribute values will vary, just be sure the attributes are removed.

5. Finally, using the ldapadd utility, add the new schema to the directory:

ldapadd -x -D cn=admin,cn=config -f /tmp/ldif_output/cn\=config/cn\=schema/cn\=\{8\}misc.ldif

There should now be a dn: cn={4}misc,cn=schema,cn=config entry in the cn=config tree. 


RFC2307AIX; The RFC2307AIX schema includes the RFC2307 schema plus the AIX
specific object classes, aixAuxAccount and aixAuxGroup. The AIX specific object classes
provide attributes to store additional attributes not defined by the RFC2307 standard.

==== LDAP search ====

List all active schema loaded into the LDAP
<cli prompt='#'>
root@rhel:~# ldapsearch -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config cn | grep ^dn 
</cli>
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