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【Create OpenSearch Serverless using CloudFormation】 This page covers OpenSearch Serverless. Amazon OpenSearch Serverless is an on-demand serverless configuration for Amazon OpenSearch Service. Serverless removes the operational complex...

【Use S3 lifecycle rules to change the class of objects】 The following pages dealt with object expiration in S3 lifecycle rules. https://awstut.com/en/2023/01/03/s3-lifecycle-rules-delete-expired-objects-en In this article, we will see ...

【Create network ACLs using CloudFormation】 This page covers network ACLs. A network access control list (ACL) allows or denies specific inbound or outbound traffic at the subnet level. Control traffic to subnets using network ACLs This...

【Check the public address from EC2 metadata】 Access to instance metadata provides access to a variety of information about the instance. Instance metadata is data about your instance that you can use to configure or manage the running ...