> Just be careful with LDAP login authentication; I've seen a server where
> if the LDAP subsystem falls over, you can't log in as root on the console.
>
> Its an obsolete system so I'm not going to be fixing it, but when LDAP
> fails its not good. Time to give it the three-fingered salute and hope
> that LDAP does run ok after a reboot.


Remember you can always cache the hash of a login with pam_ccreds (
with the loss of some security, aging, lockouts, etc.. ) and use that
later. Takes a bit of tweaking depending on your setup, but a mix of
pam_ccreds ( for passwords) , nss_updatedb (for grabbing ldap info and
putting it in Berkeley databases) and nss_db ( for reading the
Berkeley databases) can make a decent offline solution.

David
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