linux IP watcher

[Manuel Arostegui Ramirez]

El Lunes, 2 de Julio de 2007 04:14, Lux Zhang escribió:
> On 01/07/07, Mikkel L. Ellertson <mikkel at infinity-ltd.com> wrote:
> > Lux Zhang wrote:
> > > Hi
> > > my ISP provides a non-statis IP. I am looking for a linux tool to watch
> > > ip address change. that can monitor my public and local IP address. If
> > > IP address changes it will send an email, to the address specified,
> > > with the new IP address. This email also includes the computer name and
> > > time the change occurred. This is useful for computers that have
> > > dynamically assigned IP addresses, but need to be accessed remotely.
> > >
> > >
> > > Hope some one can help
> > >
> > > Yuan
> >
> > Take a look at ddclient. It does a lot more then what you are after,
> > but it does send an email when the IP address changes. It is
> > designed for you with the different Dynamic DNS sites to keep your
> > IP address up to date. It will also work with most routers to get
> > the IP address from them. You can install it with yum, and start it
> > as a service after you configure it.
>
> thanks, i installed ddclient and it is nice. could you offer a bit hint how
> to configure ddclient to send out email (eg yuanlux at gmail.com) after each
> update? It seems only sending out email to root at localhost.
>
>
> Mikkel
>

I've not seen the source code of the ddclient but I suppose you might need to 
hack the code to do that, or even more simplier, just add something like && 
mail -s ddclient update name at email.com if you set up ddclient in a crontab 
task or something...

-- 
Manuel Arostegui Ramirez.

Electronic Mail is not secure, may not be read every day, and should not
be used for urgent or sensitive issues.