How to view my IP

blowFish@ubuntu · #1 (**permalink**) 06-24-2007

I run Ubuntu server 7.04, to learn some *nix. I set up LAMP, DNS and FTP but I don't know how to view my ip. now I tried ifconfig but that didnt tell me what I wanted to know.

so by what way can I do this without a gui and a website like ipchicken?

cbkihong · #2 (**permalink**) 06-24-2007

What did ifconfig tell you? Can you please quote the output?

blowFish@ubuntu · #3 (**permalink**) 06-24-2007

eth0

Link encap:ethern3t
inet addr:192.168.2.2 Bcast: 192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::201:2ff:fe03:405/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU: 1500 Metric:1
...

Hop this is enough.
I have it connected and sharing internet with my mac if that helps

cbkihong · #4 (**permalink**) 06-24-2007

Isn't this the IP?

Quote:

Originally Posted by blowFish@ubuntu

eth0
inet addr:192.168.2.2 Bcast: 192.168.2.255 Mask:255.255.255.0

blowFish@ubuntu · #5 (**permalink**) 06-24-2007

oops... Thats there because of my router... Haven't gone into net+ study yet so I don't understand how the router manages the IP from my ISP.

Im guessing that the router changes the IP somehow for each computer on the network?

porter · #6 (**permalink**) 06-24-2007

Quote:

Originally Posted by blowFish@ubuntu

oops... Thats there because of my router... Haven't gone into net+ study yet so I don't understand how the router manages the IP from my ISP.

Im guessing that the router changes the IP somehow for each computer on the network?

I suggest you read up on

DHCP - this is typically how an ADSL router will allocate addresses

NAT - how the router will change addresses between local and internet domains

DNS - how name mapping works, and that the ADSL router may act as a DNS proxy

cbkihong · #7 (**permalink**) 06-25-2007

ifconfig shows the actual IP assigned to your interface. So if your router performs NAT, it is natural that you see private IPs on your system. As for the IP address at the router, normally a host in the network will not know about that address at all, because it will be replaced as part of NAT at the router.

earnstaf · #8 (**permalink**) 06-25-2007

You'd need to log onto your router to find the IP address on the WAN interface (the outside of your router pointed towards the interweb...)

blowFish@ubuntu · #9 (**permalink**) 06-25-2007

Ok so I guess Ill be digging into my router again :/

Neo · #10 (**permalink**) 06-25-2007

You can do a traceroute to an address in the Internet (from your server) and get WAN info.

zazzybob · #11 (**permalink**) 06-26-2007

Code:

$ telnet sendmail.org 25
Trying 209.246.26.22...
Connected to sendmail.org.
Escape character is '^]'.
220 services.sendmail.org ESMTP Sendmail 8.14.0.Alpha1/8.14.0.Alpha1; Mon, 25 Jun 2007 22:09:42 -0700 (PDT)
HELO localhost
250 services.sendmail.org Hello foo.bar.com [199.199.199.199], pleased to meet you
QUIT
221 2.0.0 services.sendmail.org closing connection
Connection closed by foreign host.

Cheers
ZB

blowFish@ubuntu · #12 (**permalink**) 06-26-2007

alright I tried the traceroute and (not sure if its suppose to) it showed my private network ip...

I trying the telnet hoojiger now and its taking a long time..

Its getting late so I'll pick this up tomorrow evening.
[edit] the telnet timed out

zazzybob · #13 (**permalink**) 06-26-2007

Code:

$ curl http://www.zazzybob.com/my_ip/get_my_ip.php 2>/dev/null | sed -n 's/^.*<!--IP-->\([^<]*\)<!--IP-->.*$/\1/p'

Cheers
ZB

SaverioB · #14 (**permalink**) 2 Weeks Ago

Try these two scripts: they just do what they already suggested you, but it can be useful to keep them in your /bin directory :-)

Saverio Bolognani's Home Page - What is my IP?

Ciao,
Saverio

esofthub · #15 (**permalink**) 1 Week Ago

Quote:

Originally Posted by blowFish@ubuntu

I run Ubuntu server 7.04, to learn some *nix. I set up LAMP, DNS and FTP but I don't know how to view my ip. now I tried ifconfig but that didnt tell me what I wanted to know.

so by what way can I do this without a gui and a website like ipchicken?

Check your IP

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