etc/Server/ddns.cron

   1 #!/bin/sh
   2
   3 # copy to /etc/cron.hourly and chmod +x
   4
   5 IP=`wget -q -O - checkip.dyndns.org|sed -e 's/.*Current IP Address: //' -e 's/<.*$//'`
   6 wget --http-user=xxxxxx --http-password='xxxxxx' "http://www.pubyun.com/dyndns/update?system=dyndns&hostname=xxxxxx.3322.org&wildcard=ON&myip=${IP}" -O /var/log/3322DNS -o /var/log/3322DNS.log
   7
   8 cat /var/log/3322DNS >> /var/log/3322DNS.log
   9 rm -f /var/log/3322DNS
  10 echo >> dns.log
  11 #date >> /var/log/3322DNS.log
  12 uptime >> /var/log/3322DNS.log
  13
  14 # http://www.go2linux.org/what-is-my-public-ip-address-with-linux
  15 # curl -s checkip.dyndns.org|sed -e 's/.*Current IP Address: //' -e 's/<.*$//'
  16
  17 # http://www.linuxquestions.org/questions/linux-networking-3/how-can-i-get-my-external-ip-address-from-behind-a-nat-333878/
  18 # wget -O - -q icanhazip.com
  19