Route 53 health check vs. ELB Target Group health check

Use ELB target group health check if the health check endpoint is a simple HTML webpage.

Use Route 53 health check if the health check endpoint makes a database query. This is because the Route 53 health check has an overall lower request count compared to the Target Group health check.

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AWS Route53 - Private Hosted Zone

AWS - Error - An error occurred (ExpiredToken) when calling the DescribeStacks operation: The security token included in the request is expired

Error: An error occurred (ExpiredToken) when calling the DescribeStacks operation: The security token included in the request is expired. Reason: It occurred when I ran a MAKE command with a profile having expired token (security credentials) Fix: Generate new security credentials (aws sts assume-role) and run the command again

AWS CloudTrail

AWS CloudTrail is an API monitoring service. It records activities in your account. We can log those activities in S3 bucket It gives visibility to user activities e.g., if you want to know who created an EC2 instance, you can get the answer using CloudTrail Using CloudTrail, you can track changes to AWS resources in your accounts

Ayyappu MK

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