Once logged into a Ubuntu EC2 instance do the following to install the required software, etc...
wget https://raw.githubusercontent.com/cvisger/bio224/master/aws_setup_lite_p1.sh
chmod +x aws*
./aws_setup_lite_p1.sh
follow the prompts, install to defaults, and retain the local versons when you see the graphic prompt
When you are done close out your terminal, open a new one, and reconnect to your EC2 instance