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Amazon EC2 - Additional IP address

If you'd like an easy way to get an additional public IPv4 address within an existing EC2 instance follow these steps after logging into the AWS console.

SSH into your instance and create /etc/network/interfaces.d/eth0_1.cfg with the following:

auto eth0:1
iface eth0:1 inet static
address <internal_ip_address>

sudo ifup eth0:1

From there you're free to use the new IPv4 address within Apache for instance

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