[sudo-users] cannot sudo after short time - ldap/nis configuration

[Edward Capriolo]

I would suggest including your /etc/ldap.conf, /etc/nsswitch.conf,
relevant pam.conf as well as any others you have configured. Your
subject is ldap/nis. are you using both LDAP & NIS? That would be
strange and could be causing your NSCD problems since conflicts can
confuse the cache.

On Wed, Oct 21, 2009 at 9:36 AM, Todd C. Miller
<Todd.Miller at courtesan.com> wrote:
> I still suspect nscd is involved here, simply because sudo doesn't
> do anything fancy with passwd lookups.  In this case is it doing
> getpwuid(getuid()).
>
> You could try configuring nscd.conf to log debug information and
> see if it is caching a negative response for the user in question.
>
>  - todd
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