Amazon AWS ssh failed Permission denied

these are the most asked questions while installing Linux on Amazon AWS.

1. Store .Pem files in the .ssh folder and give file permission to 600, command would be chmod 600 ~/path/my-key-pair.pem
2. Now login ssh -i /path/my-key-pair.pem ec2-user@ec2-198-51-100-1.compute-1.amazonaws.com