Godaddy Dynamic DNS Hack
Update DNS A records for your domain on Godaddy.
It's useful mostly if you run a service behind a dynamic IP address on your local computer.
Usage
Create new API key at Godaddy.
Edit the script according to your needs and add a crontab line via crontab -e:
*/1 * * * * sh /path/to/your/script/godaddy_ddns_hack.sh >/dev/null 2>&1
Parameters
Make sure to get the API key and change the below parameters:
KEY=<your key>
SECRET=<your secret>
DOMAIN=<your domain name>
HOSTS=(host1 host2 host3)