initial checkin from subversion

ddnsupd.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+oldip=0
+
+while /bin/true
+do ip=$(ifconfig eth0 | grep 'inet addr:' | awk -F '[:]' '{ print $2 }' | awk '{ print $1}')
+if [ $oldip != $ip ] 
+then url=$(head -n 1 /etc/ddnsurl)
+curl -k "${url}&address=$ip"
+echo updated $oldip to $ip
+oldip=$ip
+fi
+sleep 60
+done
+