This solution actually got me 80% of the way. After installing descrypt, not
only did the message disappear, but I successfully logged on. My only problem
now is that the system cannot find home directories after logon. I guess I now
need to read up a little more on NIS and automounting.
> >I've configured an NIS client in Slackware 2.2.13. I can use ypcat to
> >view the mappings. The server responds without a hitch. The problem
> >arizes when I actually try to logon, the system replies with the
> >login: <username>
> >Password: <password>
> > crypt: operation not supported
> >When username is a local account the login is successfull. When it is
> >not a local account I get the message above.
> >Does anyone know what the problem is or whether I should investigate the
> >server or the client?
> The "crypt: operation not supported" will happen in Slackware 7 (that's
> what you really have; 2.2.13 is the kernel version) if you did not load the
> "descrypt" package, and the account/password you are trying to log in with
> is not valid. This happens with or without NIS, and is a small bug. You
> should probably load the descrypt package (from diskdes1) just to get rid
> of the message, although I doubt it will fix the underlying problem.
> Did you change your /etc/nsswitch.conf file so it knows to get passwords
> from NIS? The passwd: entry needs to either say "compat", in which case
> you need the magic "+" entry in /etc/passwd, or else it needs to
> have something like "files nis" as the entry.