How to Install OpenLDAP Server and Client on Rocky Linux 9
OpenLDAP is a software implementation of the Lightweight Directory Access Protocol (LDAP). In this guide, you will install and set up OpenLDAP on a Rocky Linux 9 server. You will install the OpenLDAP server, configure the OpenLDAP server manually, and enable secure SSL/TLS on the OpenLDAP server.
Source: Howtoforge Linux Howtos und Tutorials