SSH to EC2 as a non root user directly

1. Create a key pair under ec2 section (Example: mykp.pem)
2. Download mykp.pem 
3. Run this command from a linux shell to get the public key for the above .pem
• ssh-keygen -y -f /directorypath/mykp.pem
• Output will be ssh-rsa with long key 
4. Add this key to the target server