Secure LDAP Configuration

I want to create an LDAP database for my company with following settings. Only the ldap user belongs to my company can search and view ldap entries I want to protect ldap user belongs to my company One ldap user can't search and view others details Only allow ldap u

ObjectClass and Attributes via command line

How add new ObjectClass and Attributes via command line. I need to add a new Objectclass MyObject with new attributes group_id and role, and i also need existing attribute uid.