With LDAP for example (FreeIPA, OpenLDAP and a bunch of others). There’s NIS as well. If you want it exactly like AD, try Samba.
In reality, I’d probably put the users into some more modern id and auth solution, and re-assess whether I even need some Microsoft-style directory for servers and clients. I likely have better tools available.
And the big enterprise distributions, or projects like DebianEdu will have some solution listed in their documentation which is tied in into their ecosystem.
With LDAP for example (FreeIPA, OpenLDAP and a bunch of others). There’s NIS as well. If you want it exactly like AD, try Samba.
In reality, I’d probably put the users into some more modern id and auth solution, and re-assess whether I even need some Microsoft-style directory for servers and clients. I likely have better tools available.
And the big enterprise distributions, or projects like DebianEdu will have some solution listed in their documentation which is tied in into their ecosystem.