sudo yum install ncurses-devel openssl-devel
sudo yum groupinstall "Development Tools"
wget "http://erlang.org/download/otp_src_19.3.tar.gz" -O otp19.tar.gz
tar xfz otp19.tar.gz
cd otp_src_19.3/
./configure
make
sudo make install
cd ..
wget "https://github.com/elixir-lang/elixir/archive/v1.4.4.tar.gz"
tar xfz v1.4.4.tar.gz
cd elixir-1.4.4/
make
echo "PATH=\$PATH:/home/ec2-user/elixir-1.4.4/bin" >> ~/.bashrc
source ~/.bashrc
mix local.hex
mix local.rebar