DDClient mit dem Belkin-Router

/etc/ddclient.conf

# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf
pid=/var/run/ddclient.pid
protocol=dyndns2
use=cmd, cmd=/root/bin/getip.sh
server=members.dyndns.org
login=***
password='******'
***.dyndns.org

/root/bin/getip.sh

#!/bin/sh
wget http://192.168.1.1 -q -O - | grep "if('Up" | sed -e "s/.*dw('\(.*\)'.*/\1/;" | head -n 2 | tail -n 1

Alternativ über entsprechende Seiten im Internet:

#!/bin/sh
curl -s http://checkip.dyndns.org | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'

#!/bin/sh
lynx -dump http://checkip.dyndns.org | sed -n '/Current/s/.*: \([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\)/\1/p'

#!/bin/sh
wget http://www.whatismyip.org/ -qO - | html2text