LinuxCBT - OpenLDAP Edition

LinuxCBT feat. OpenLDAP Edition focuses on the common Linux | Unix directory services application: OpenLDAP. It is a module of LinuxCBT Directory Services Edition.

OpenLDAP provides a lightweight, central information directory service for countless applications, including general user authentication services. This results in reduced administrative overhead. OpenLDAP also supports replication and encryption, promoting high-availability and security. Furthermore, knowledge of OpenLDAP prepares you to work comfortably with Open Source and commercial LDAP variants.

Let LinuxCBT feat. OpenLDAP Edition cost-effectively teach you Linux | Unix directory skills.

Recommended Prerequisites for:

  • Any LinuxCBT Operating System Course (Classic/EL-4|5/SUSE/Debian Editions)
    • Open mind & determination to master Linux and related open-source applications
    • Access to a Linux or Solaris system to follow the exercises

LinuxCBT feat. OpenLDAP Edition

  • Introduction – Features
    • Discuss LDAP history
    • Enumerate key features
    • Discuss typical LDAP applications
    • Compare and contrast LDAP namespace to DNS namespace
    • Discuss key offline|online administrative tools
    • Identify key systems to be used
  • LDAP Concepts
    • Explore target Directory Information Tree (DIT)
    • Discuss Distinguished Names (DNs)
    • Directory Information Tree (DIT)
    • Discuss Object Classes
    • Discuss Attributes
    • Discuss the importance of Schemas
    • Explain how LDAP interacts with PAM and NSS to authenticate users
  • Master Server Configuration
    • Explore PAM and NSS configuration
    • Install and explore OpenLDAP packages
    • Configure Master server to serve the default LDAP namespace
    • Initiate LDAP server
  • Define Directory Information Tree (DIT)
    • Search the default DIT using ‘ldapsearch‘
    • Update /etc/hosts files with participating LDAP servers
    • Use LDAP Browser GUI to explore LDAP DIT
    • Explain LDIF entries
    • Create the top-level LDAP DIT container object using ‘ldapadd‘ with LDIF file
    • Create second-level Organizational Units (OUs) for functional groups
    • Create users within each second-level OU
    • Verify results
    • Attempt to create duplicate entries
  • Configure Replication
    • Discuss features and benefits
    • Explore network topology
    • Install required packages on LDAP replication partner (replica)
    • Enumerate and execute replication configuration steps
    • Evaluate results on master and replica LDAP servers
  • LDAP on Solaris Configuration
    • Discuss features and benefits
    • Download and install LDAP and required packages
    • Update /etc/hosts configuration on replica
    • Configure server as LDAP replica
    • Verify results
  • LDAP Add
    • Discuss features and benefits
    • Explain ‘ldapadd‘ usage
    • Add users to remaining OUs
    • Verify results
    • Use ‘ldapadd’ with: STDIN and LDIF file
    • Use ‘ldapadd’ from replica
    • Evaluate results using ‘ldapsearch’ and LDAP Browser GUI
  • LDAP Delete
    • Discuss features and benefits
    • Explain ‘ldapdelete‘ usage
    • Delete specific LDAP objects remotely
    • Evaluate results
    • Delete multiple LDAP objects using STDIN and LDIF
    • Evaluate results
    • Use ‘ldapsearch’ to derive applicable LDIF statements
    • Attempt to delete non-existing and existing items
    • Evaluate results using: ‘ldapsearch’ and LDAP Browser GUI
  • LDAP Modify
    • Discuss features and benefits
    • Confirm current state of DIT on master and replicas using ‘ldapsearch’
    • Rebuild the DIT using ‘ldapmodify‘
    • Confirm results with LDAP Browser GUI
    • Modify attributes using ‘ldapmodify’ with LDIF
    • Delete objects using ‘ldapmodify’
    • Evaluate results
  • LDAP Search
    • Discuss features and benefits
    • Discuss supported boolean operators
    • Discuss filter operators
    • Use wildcards in searches
    • Peform string searches
    • Search distinct OUs for all object types
    • Search the DIT for OUs
    • Search the DIT for specific attributes
    • Search the DIT for specific user objects
    • Perform boolean searches
    • Evaluate results
  • Logging
    • Discuss features and applications
    • Explore master server logging and syslog configuration
    • Discuss debugging levels
    • Start LDAP server in desired debug level
    • Evaluate results
    • Vary logging verbosity
    • Configure logging on replica server
    • Evaluate results
  • LDIF
    • Discuss features and benfits
    • Use ‘ldapsearch’ to explore LDIF entries
    • Discuss LDIF structure
    • Discuss key object types
    • Create a new user object using LDIF
    • Delete using LDIF
    • Modify using LDIF
    • Evaluate results
  • LDAP Schemas
    • Discuss features and benefits
    • Explain applicability
    • Examine ’slapd.conf’
    • Explore default schema files on master and replica servers
    • Correlate schemas to LDIF entries
  • Migrate to LDAP Authentication
    • Discuss features and benefits
    • Migrate primary server to LDAP authentication
    • Confirm configuration
    • Migrate replica servers to LDAP authentication
    • Evaluate results
    • Migrate local users from master and replica servers to LDAP DIT
    • Confirm results using ‘ldapsearch’
    • Confirm authentication of LDAP users on master and replica servers
    • Migrate other useful Linux|Unix tables
  • Syncrepl Replication
    • Discuss features and benefits
    • Migrate from ’slurpd’ to ’syncrepl’
    • Evaluate results
  • LDAP Security
    • Discuss features and benefits
    • Explore Access Control Lists (ACLs)
    • Configure SSL/TLS encryption
    • Evaluate results

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