Mar 28th, 2007
Shell Script: Report External IP Address Via Email
Why would someone want to do this? Well I wanted to do this because my ISP (internet service provider) changes my IP address every 3-6 months for an unknown reason (security?). This makes it hard to host your own webserver. After some searching, I found this script and modified it to my own liking, since it didn’t quite work right when I first got it. I am NOT assuming responsibility if some goofball breaks their computer because they don’t know know what they are doing. Please realize that you will need to install wget and sendmail if you don’t already have them on your Unix system. I will not get into installing these packages in this post. To get this working you will need to set up a cron job to run this script every hour. If the IP hasn’t changed it will not send an email. Here is more information how to set up your cron jobs. Please refer to my last post to send text messages to your cell phone vie email. There is more than enough information on the given websites for the packages. Here is the original script.
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