[Likewise-open-discuss] Likewise open vs. pam

[Gerald (Jerry) Carter]

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Hey Jeff,

> Can you tell me what differences might be between using 
> the Likewise Open offering, versus manually setting up (or
> using the distro scripting) a Linux machine for Active
> Directory?

In general, the portability of Likewise Open across more
than on linux distro or release is a big advantage for most
network admins (given that everyone has a mixture of clients).
For example, have the same support on Solaris, Mac, AIX,
HP-UX, and Linux means that you can really select the best
operating system for the job that you need to do (file server,
web server, mail server, etc...) without being tied to which
one has integrated authentication with AD.

> Likewise doesn't seem to me to work in the same way 
> that krb5 winbind pam_ldap uses for user information,
> authentication.  Can anyone specifically tell me what
> advantages and disadvantages are?

I'm guessing you are asking about the uid and gid information
is determined.  This is done using a local hashing algorithm.
There's a diagramin my slides from Linuxworld:
(likewise_open_first_class_citizen_lwsf08.pdf):

   http://archives.likewisesoftware.com/~gcarter/presentations/




cheers, jerry
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