Still, the old notes acted as an outline to follow and update as I went. Also, /etc isn’t used as the storage area for configuration files. The new versions manage the LDAP configuration within itself and use LDIF files instead of schema files. The schemas were managed externally to the storage mechanism in the old version and portions were installed in /etc by default. The information there was dated as the current versions of OpenLDAP are installed and configured differently. Setup of the TNS name resolution based on OID schema came from notes I kept several years ago from a article which is no longer available. Initial setup and testing mostly followed the Quick Start guide found here. So, in this article I’ll show the steps I used to compile and configure the server software as well as setup the name resolution. Unfortunately, in my latest server build, using Oracle Linux 8, I found the OpenLDAP server is no longer available by simple yum installation with the openldap-servers package. Doing so still gives me centralized management as well as providing me an environment to learn about and use LDAP itself. Instead though, I decided I would go with LDAP name resolution. Another option, I could use a shared network mount, pointed to by TNS_ADMIN environment variable. It wouldn’t be too hard to maintain all of them through TNSNAMES files copied around to each machine. I don’t have a ton of databases, but most of the pcs have XE installed and my sandbox server always has multiple Enterprise Edition databases of various versions for me to try things. I’ve used OpenLDAP for my name service at home for several years.
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