There are many times when I needed to find out my outgoing (or external) IP for the servers which are behind load balancers or firewalls. I used to just login to another external server from the server in question and find out by looking at “who” what my external ip is. Even though it works and I am so used to it, today I decided to figure out a more graceful way of finding my outgoing ip. As most of us already know, whatismyip.com is the quickest way to find out your outgoing ip from the browser. So I decided to use the same way on the servers. So I issued a wget:
wget http://www.whatismyip.org
Well that does the trick. But being lazy as I am, I did not want to have to cat the output file to find out the ip (plus there is no point of creating extra files and doing extra work to remove them). …
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