Somewhere around the time of 08/03/2003 15:13, the world stopped and listened as David S. Jackson spoke these words of wisdom...:
If your external IP number changes, as with DHCP, is there a way
to find out what it currently is? I was thinking you could keep
BitchX logged into a chat channel and script a /dns yournick and
email yourself the results from time to time.
How would you do it?
If you know what interface you are running on, then you can do this to get the IP address:
ifconfig <interface> | head -2 | tail -1 | awk '{print $2}'
to get the IP address. Then if you want to mail it to yourself, then you can do the following:
/usr/bin/printf "Current IP address: `ifconfig <interface> | head -2 | tail -1 | awk '{print $2}'`\n" | /usr/bin/mail -s "IP Address Assignment" root &
To update your Dynamic DNS, use the following:
ddclient -use=if -if=<interface>
This will run ddclient in daemon mode so that anytime the IP address changes on <interface> it will update the DDNS provider's servers.
--
Daniel Rudy
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