It depends on your setup. If this all of the computers are networked in a workgroup environment, then you need to have a locally stored profile on each computer that redirects to the master fileserver. The SAM will be the database in this case
If you have a domain environment, then just join all of the computers into the domain and they should be able to log on to any computer on the network.The AD will take care of security nad NTDS.DIT will be database in this case
domain
To provide authentication and authorization services for hardware and software resources on the network like computer,users,printers groups etc. Authentication would be verifying the user's identity while authorization is the process of granting the user access to only the resources they are permitted to useTo provide authentication and authorization services for hardware and software resources on the network. Authentication would be verifying the user's identity while authorization is the process of granting the user access to only the resources they are permitted to use.
Most Linux distributions come with several PAM authentication modules, including modules that support authentication to an LDAP directory and authentication using Kerberos. You can use these modules to authenticate to Active Directory, but there are some significant limitations.
collection of files and directory
Kerberos
Active Directory credentials to access SharePoint sites
It depends. For robust and high risk system, Lightweight Directory Access Protocol (LDAP) authentication, or client-side public key infrastructure authentication.
Kerberos SESAME Active Directory
Active Directory is commonly used for this.
Digest Authentication
use spring security framework , it has both declarative and programmatic way to perform ldap authentication against active directory.
LDAP (Lightweight Directory Access Protocol ) is a protocol that is used for authentication in domain
A directory in DOS is like a folder in Windows: a collection of files.