You can find DB Server password from EC2 management console System Log.
– Go to Amazon EC2 console at https://console.aws.amazon.com/ec2/.
– Chose your Instance and Click Actions → Monitor and troubleshoot → Get System log

You can find DB Server password from EC2 management console System Log.
– Go to Amazon EC2 console at https://console.aws.amazon.com/ec2/.
– Chose your Instance and Click Actions → Monitor and troubleshoot → Get System log