How to tell IP address of remote machine?
Timothy Murphy
gayleard at eircom.net
Sun Oct 25 14:35:31 UTC 2009
Paulo Cavalcanti 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.
> Why don't you just sign for a free dynamic DNS service, such as noip or
> dyndns?
I am actually subscribed to dyndns, for this machine.
But I normally use openvpn, which works perfectly.
I've had a couple of occasions when openvpn has failed -
as it happened, one time was due to a storm in Italy
when the internet connection went down -
but what I have found is quite nice in the past
is that if openvpn fails I can ssh in, if I know the IP address,
and try to work out what is wrong with openvpn.
Eg openvpn stopped working for a couple of hours
when I upgraded the remote machine (as well as my local server)
to CentOS-5.4.
Strangely, it just started working again a couple of hours later.
--
Timothy Murphy
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland
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