Improved DNS resolving for laptops?

Paul Jarc prj@po.cwru.edu
Fri Jul 23 17:37:00 GMT 2004


Petter Reinholdtsen <pere@hungry.com> wrote:
>  The file /etc/resolv.conf is updated by the DHCP client, but the
> programs do not re-read this file once they are started.  This is a
> problem for long-lived programs, and for my laptop this means it is
> a problem for most programs (hibernate works. :).

The djbdns client library's approach could be useful.
<URL:http://cr.yp.to/djbdns/resolve.html>:
     * Most long-running programs don't notice changes in
       /etc/resolv.conf; they read /etc/resolv.conf when they start, and
       they don't reread it until they are restarted. In contrast, the
       djbdns procedure checks for changes every 10 minutes or 10000
       uses.


paul



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