How to Install OpenLDAP on Ubuntu 22.04
OpenLDAP is a software implementation of the Lightweight Directory Access Protocol (LDAP). This guide will teach you how to set up LDAP Server with OpenLDAP and LDAP Account Manager on the Ubuntu 22.04 server. This guide also will teach how to set up LDAP users and how to set up an LDAP Account Manager for managing the OpenLDAP server.
Source: Howtoforge Linux Howtos und Tutorials