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Figure out your Internal / External Ip Address using Terminal

/ Published in: Bash
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This example uses the 'ifconfig' but with a little bit of grep to weed out the crap

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  1. #1. Use ifconfig and pipe ( | ) it into grep which will search for the 'inet' field
  2. #2. Pipe the data once again into grep and reverse the logic of the search (-v) to remove 12.7.0.0.1.  Using -v will match all the lines that do not match 127.0.0.1 (aka loopback)
  3. #3. Use Cut to show the second field in the line, using spaces as a delimiter
  4.  
  5. ifconfig | grep 'inet ' | grep -v 127.0.0.1 | cut -d\   -f2

URL: http://www.showipaddress.com/

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