====== SPDNS Update Script ======

<code bash>
cd /home/martin/
nano update.dyndns.sh && chmod +x update.dyndns.sh
</code>

<code bash>
#!/bin/bash

HOST=xxx.spdns.de
USER=xxx.spdns.de
PASS=xxxx-xxxx-xxxx
IPADDR=$(wget -4 -q -O- https://ip4.seeip.org/)
UPDURL="https://update.spdyn.de/nic/update?hostname=$HOST&user=$USER&pass=$PASS&myip=$IPADDR"
echo current ip is $IPADDR
RESULT=$(wget -4 -q --no-check-certificate -O- "$UPDURL")
echo result ist $RESULT
</code>

<code bash>
sudo ln -s /home/martin/update.dyndns.sh /etc/cron.hourly/update.dyndns.sh
</code>