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AWS Custom Cloud-watch Alarm in AWS-Ubuntu-Linux

AWS Custom Cloud-watch Alarm in AWS-Ubuntu-Linux Let us create custom alarm for disk space utilization metric on EBS Volume of EC2 instances with following steps. 1. cd /tmp 2. wget https://s3.amazonaws.com/amazoncloudwatch-agent/amazon_linux/amd64/latest/amazoncloudwatch-agent.rpm 3. sudo rpm -U amazon-cloudwatch-agent.rpm 4. In IAM, you need to select necessary Role and attach necessary policy for CloudWatch 5. Take backup of files …

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AWS DynamoDB

AWS DynamoDB Amazon DynamoDB is NoSQL database. It supports ACID – atomicity, consistency, isolation, and durability transactions. DynamoDB is a stateless web service; maintaining persistent network connections is not needed. Instead, operations with DynamoDB occur using HTTP(S) requests and responses. Designing for DynamoDB: In DynamoDB, “locality of reference” is key concept in designing tables; it …

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