Package Information:

Name: ec2-api-tools
Use: Client interface to the Amazon EC2 web service
URL: https://aws.amazon.com/developertools/351

Installation Steps:

1. Open Terminal using Spotlight search by pressing <command+space>. Type terminal and hit Enter key.
2. Now, run

   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

3. Install ec2-api-tools using brew

   brew install ec2-api-tools

ec2-api-tools is ready to use now!