[NTLUG:Discuss] interpreting dhcpc info.

Ryan Sweat ryans at cecentertainment.com
Fri Nov 15 19:38:27 CST 2002


On Fri, 2002-11-15 at 16:32, Richard Geoffrion wrote:
> Chuck Graf <cfgraf at swbell.net> wrote:
> > Ron Hamilton, you mentioned dynamic hosting with a non-static IP
> > address.  I have the same problem. My IP changes at random intervals
> > on Southwestern Bell ADSL.  I have a script running in cron.hourly
> > that checks to see if my IP has changed, and emails me the new
> > address when it does, but that is not as good as what you describe.
> > How does the Dynamic Hosting work?

There are numerous companies on the internet which will provide dynamic
dns for free.  If you own your own domain, zoneedit.com will host your
dns for free, up to 5 domains.  With them, you can assign static A, MX,
PTR, AAAA, records etc, but the nicest part is that they allow you to
dynamically update your ip address without installing a separate daemon.
And best of all, its free!  You can update your ip address using lynx on
the command line at certain intervals, but to avoid stress on their
servers, I wrote a script to detect when my ip differs from what they
have stored, then I update their record.  

Attached is the script I wrote for zoneedit.com.  Maybe it can be of use
for someone.

-Ryan
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