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sjuxax/local_ip.rb

Last active March 27, 2017 21:53
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Print the local IP address of the primary interface in Ruby 1.9.3.
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local_ip.rb
require 'socket'
#Socket.ip_address_list[1] is usually the IPv4 IP of eth0 (usually the primary interface).
#Socket.ip_address_list[0] is usually the IP of lo, usually 127.0.0.1
puts Socket.ip_address_list[1].ip_address
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