If you have more than 100 servers in your network; behind a firewall; lazy to access to documentation. Here is the alternative option to find out your machine’s public IP Address via command line
$ wget -q -O - http://ipchicken.com | grep -o -E '(^|[[:space:]])[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*([[:space:]]|$)'
# By default, FreeBSD doesn't have wget, you can use fetch instead
$ fetch -q -o - http://www.ipchicken.com | grep -o -E '(^|[[:space:]])[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*([[:space:]]|$)'
You need port 80 external/WAN…
Most of the time, we would prefer to read manual offline instead of browsing online, sometime we do not have internet access, and in the boredom, we can read the manual OFFLINE! Example below will show you how to grab…