 | | | nscd needed? | nscd needed? 2005-05-19 - By Jan Iven
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On Wed, 2005-05-18 at 23:41, Jeffrey Siegal wrote:
> I generally have not run nscd. Assuming I have local passwd and group
> files, and a nearby named to cache DNS lookups, is there any reason to run
> nscd?
Yes, in case your /etc/resolv.conf is liable to change (e.g. DHCP).
Apparently plain glibc resolver will not re-read this file, and nscd at
least gets notified by dhclient... Symptoms are that some applications
(sendmail, evolution etc) will try to mindlessly contact a DNS server
that no longer feels responsible for your IP address.
RedHat Support:
> "nscd" is indeed the recommended way to make applications be aware of
> changes to resolv.conf.
I still consider this glibc behaviour to be a bug, not a feature, but..
Regards
Jan
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