Re: Flushing DNS resolver cache

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Jim Roland wrote:

> > > What's the best way to flush the kernel (2.4) resolver cache?
> >
> > kernel resolver cache?
> 
> I'm assuming so, even when the /etc/resolv.conf nameservers have been
> updated (confirmed with a "host host.domain.com ns.nameserver.com" or with
> nslookup) the kernel still seems to "remember" old answers until the expire
> or refresh time has been reached.

Some part of the system might be caching DNS lookups, but it isn't the
kernel. The kernel doesn't know what DNS is.

> > > Cycling named (DNS) on the box does not flush the cache.
> >
> > Are you running nscd?
> 
> Just on a whim, since named (vixie bind), was running on the box thinking it
> was caching the queries, I shut it down completely.  No change to my
> problem.

But are you running nscd?

And what is the problem, exactly? What are the specific symptoms?

-- 
Glynn Clements <glynn.clements@virgin.net>
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