This guide is build on Linux Ubuntu 18.04 LTS. Note: all files to download are .txt files you should remove/rename the extension since .ldif is not supported to download Setup OpenLDAP server apt-get install slapd ldap-utils snmpd dirmngr mailutils postfix dpkg-reconfigure slapd Omit OpenLDAP server configuration? … No DNS domain name:yourdomain.com Name of your organization:yourdomain.com …