For years now, every time anyone put together a list of hot system administration topics, LDAP was sure to be near the top. This is the first article in a three-part series about LDAP and, specifically, OpenLDAP on Linux systems. In this first part, we will explore some basic LDAP concepts and show a few example queries and configuration options. In the second part, we'll look at how to integrate LDAP into normal system functions like user authentication. In part three, we will close the series by considering some advanced LDAP topics, including authentication, security, and data replication among multiple servers.
