[lug] What's my IP?

[Ian Rees]

http://whatismyip.com


On Tue, 25 Jan 2005 16:48:20 -0700, Jeff Schroeder <jeff at neobox.net> wrote:
> Hey all--
> 
> A friend just posed an interesting question to me... he wants to know
> the IP address of a Linux machine, and he suspects that 'ifconfig' has
> been compromised (as a joke, not as an evil rootkit).  He asked how he
> can find the IP without using ifconfig and without connecting to
> another machine.  He has root access.
> 
> Depite a lot of Linux network background, I was amazed to find that I
> didn't really know.  You *always* use 'ifconfig' for that!  In its
> absence, what else is there?  I suspect there's a file buried somewhere
> in /proc, but a bit of poking around didn't turn up anything useful.
> 
> Assume this is a "basic" installation and doesn't include fancy network
> analysis tools like nmap, ettercap, or ethereal.
> 
> Ideas?
> 
> Thanks,
> Jeff
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