grep | /var/logs/paulooi.log https://logs.paulooi.com Systems Admin, Web Development and etc Tue, 08 Mar 2011 07:40:11 +0000 en-US hourly 1 How to Find Out Public IP Address via Command Line in Unix/Linux Machine https://logs.paulooi.com/how-to-find-out-public-ip-address-via-command-line-in-unixlinux-machine.php https://logs.paulooi.com/how-to-find-out-public-ip-address-via-command-line-in-unixlinux-machine.php#respond Tue, 08 Mar 2011 03:20:00 +0000 http://systems.takizo.com/?p=1406 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...

The post How to Find Out Public IP Address via Command Line in Unix/Linux Machine first appeared on /var/logs/paulooi.log.]]> 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 access to perform the task.

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