AWS Utilities functions
ssh -i ~/.ssh/4815162342.pem ubuntu@$(ip_from_instance "$1")
ssh -i ~/.ssh/4815162342.pem ec2-user@$(ip_from_instance "$1")
echo $(aws ec2 describe-instances --filters "{\"Name\":\"tag:Name\", \"Values\":[\"$1\"]}" --query='Reservations[0].Instances[0].PublicIpAddress' | tr -d '"')
echo $(aws ec2 describe-instances --filters "{\"Name\":\"tag:Name\", \"Values\":[\"$1\"]}" --query='Reservations[0].Instances[0].PublicDnsName' | tr -d '"')