LDAP (Lightweight Directory Access Protocol)

LDAP (Lightweight Directory Access Protocol) is a protocol used to access and manage directory services over a network. It is designed to provide a standard way to store and retrieve hierarchical data structures, which can include information about users, groups, systems, and other resources. 
 
 Client Configuration 
 Installing required packages 
 apt install libnss-ldapd libpam-ldapd ldap-utils 
 realm -v discover ldap.servername