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2011-08-07

在ubuntu上安裝OpenLDAP

參考資料:
https://help.ubuntu.com/11.04/serverguide/C/openldap-server.html
https://help.ubuntu.com/10.04/serverguide/C/openldap-server.html

  1. 安裝OpenLDAP的daemon程式 slapd 及 ldap-utils
    sudo apt-get install slapd ldap-utils
  2. 再加入一些schema的檔案:
    sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif
    sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif
    sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif
    在ubuntu11.04版中,應該已加入以上三個schema,所以會出現 Duplicate attributeType的訊息。
  3. 建立以下的LDIF檔案內容(backend.example.com.ldif),將檔案存放在自行指定的位置:
    # Load dynamic backend modules
    dn: cn=module,cn=config
    objectClass: olcModuleList
    cn: module
    olcModulepath: /usr/lib/ldap
    olcModuleload: back_hdb

    # Database settings
    dn: olcDatabase=hdb,cn=config
    objectClass: olcDatabaseConfig
    objectClass: olcHdbConfig
    olcDatabase: {1}hdb
    olcSuffix: dc=example,dc=com
    olcDbDirectory: /var/lib/ldap
    olcRootDN: cn=admin,dc=example,dc=com
    olcRootPW: secret
    olcDbConfig: set_cachesize 0 2097152 0
    olcDbConfig: set_lk_max_objects 1500
    olcDbConfig: set_lk_max_locks 1500
    olcDbConfig: set_lk_max_lockers 1500
    olcDbIndex: objectClass eq
    olcLastMod: TRUE
    olcDbCheckpoint: 512 30
    olcAccess: to attrs=userPassword by dn="cn=admin,dc=example,dc=com" write by anonymous auth by self write by * none
    olcAccess: to attrs=shadowLastChange by self write by * read
    olcAccess: to dn.base="" by * read
    olcAccess: to * by dn="cn=admin,dc=example,dc=com" write by * read
  4. 使用以下指令,將backend.example.com.ldif新增到LDAP中:
    sudo ldapadd -Y EXTERNAL -H ldapi:/// -f backend.example.com.ldif
  5. 建立以下的LDIF檔案內容(frontend.example.com.ldif),將檔案存放在自行指定的位置:
    # Create top-level object in domain
    dn: dc=example,dc=com
    objectClass: top
    objectClass: dcObject
    objectclass: organization
    o: Example Organization
    dc: Example
    description: LDAP Example 
    
    # Admin user.
    dn: cn=admin,dc=example,dc=com
    objectClass: simpleSecurityObject
    objectClass: organizationalRole
    cn: admin
    description: LDAP administrator
    userPassword: secret
    
    dn: ou=people,dc=example,dc=com
    objectClass: organizationalUnit
    ou: people
    
    dn: ou=groups,dc=example,dc=com
    objectClass: organizationalUnit
    ou: groups
    
    dn: uid=john,ou=people,dc=example,dc=com
    objectClass: inetOrgPerson
    objectClass: posixAccount
    objectClass: shadowAccount
    uid: john
    sn: Doe
    givenName: John
    cn: John Doe
    displayName: John Doe
    uidNumber: 1000
    gidNumber: 10000
    userPassword: password
    gecos: John Doe
    loginShell: /bin/bash
    homeDirectory: /home/john
    shadowExpire: -1
    shadowFlag: 0
    shadowWarning: 7
    shadowMin: 8
    shadowMax: 999999
    shadowLastChange: 10877
    mail: john.doe@example.com
    postalCode: 31000
    l: Toulouse
    o: Example
    mobile: +33 (0)6 xx xx xx xx
    homePhone: +33 (0)5 xx xx xx xx
    title: System Administrator
    postalAddress: 
    initials: JD
    
    dn: cn=example,ou=groups,dc=example,dc=com
    objectClass: posixGroup
    cn: example
    gidNumber: 10000
    
  6. 使用以下指令,將frontend.example.com.ldif新增到LDAP中:
    sudo ldapadd -x -D cn=admin,dc=example,dc=com -W -f frontend.example.com.ldif
    
  7. 使用ldapsearch測試一下
    ldapsearch -xLLL -b "dc=example,dc=com" uid=john sn givenName cn

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