How to tell IP address of remote machine?

[Paulo Cavalcanti]

On Sun, Oct 25, 2009 at 11:39 AM, Timothy Murphy <gayleard at eircom.net>wrote:

> Ed Greshko wrote:
>
> >> I had a little program which I ran each day
> >> as a cron job to mail me the IP address of a machine
> >> in a different country.
> ..
> >> In any case, the program has ceased to work
> >> because the site heliohost seems to have gone off-line.
> >>
> >> I wonder if anyone knows of an alternative site
> >> which I could substitute?
> >> Or an alternative program?
>
> > On the other hand, I did another thing once upon a time....but simply
> > used a shell script and the output from ifconfig with a bit of grepping
> > and cutting.
>
> ifconfig only seems to give the local 192.168.*.* address.
> Is there some way of getting it to tell the true IP address?
>
> (The remote machine is attached to an ADSL modem.
> I can get the IP address by accessing the modem,
> but I am not sure how I could automate this.
> I guess I could use lynx, and try to abstract the address ...)
>
>
>
>
Why don't you just sign for a free dynamic DNS service, such as noip or
dyndns?

They can point a hostname to a dynamic or static IP address or URL.

http://www.dyndns.com/

http://www.no-ip.com/

-- 
Paulo Roma Cavalcanti
LCG - UFRJ
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