Dynamic DNS IP Retrieval Script

You ever try connecting to your system at home, using a domain name (that has been setup using Dynamic DNS), only to find out that your ISP has, yet again, changed the public IP address to your house? This is very common with DSL setups, but still is a factor with other internet connections such as FIOS, Cable (also known as High Speed Internet, and most definitely dial-up (since dial-up isn’t really used much anymore, I’m not covering that). Of course, there’s those Dynamic DNS providers, which I also use. For example, there’s no-ip.com; with Dynamic DNS applications for Windows, Linux, and Mac OS, however, they do not really work all that well with my ISP. My ISP public IP changes a good 12 times a day (no kidding!). No-IP just can’t keep up with my public IP changes, which sucks, cause I pay for that. I’ve written a small shell script to at least notify you when your public IP address has changed, so that, if your dynamic DNS has not propogated, you will at least be able to connect using the IP address. Continue reading Dynamic DNS IP Retrieval Script