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Posts on AWS.

Creating Elasticsearch Domain did not stabilize - can't create AWS Elasticsearch 5.1 with CloudFormation

17 February 2017 ·

Recently AWS announced support for Elasticsearch 5.1 in their Elasticsearch Service. Today, I tried to upgrade an existing CloudFormation stack, previously using Elasticsearch 2.3, to the new version and, after a very long wait, CloudFormation rolled back the stack with the following error: “Creating Elasticsearch Domain did not stabilize”. Here’s what I did to solve it.

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Bypassing CloudTrail and CloudWatch monitoring of AWS API

23 January 2017 ·

Since AWS released CloudWatch Logs and allowed for automated streaming of CloudTrail events into CloudWatch, monitoring API usage with CloudWatch metrics and alerts has become increasingly popular. It’s incredibly easy to set up and add custom alerts on almost any API event. But is it actually going to notify you when an unauthorized person gains access?

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