2010-08-13

• ​Read UNIX/Linux system IP address in a shell script

  ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'
  

• ​Linux IP Commands

  $ tracepath www.whatismyip.com
  # Advanced DNS Test: 
  $ dig www.whatismyip.com
  # Reverse Lookup: 
  host 66.11.119.69
  # Advanced Reverse Lookup: 
  dig -x 66.11.119.69