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New Online Training - Automating AWS with CloudFormation

Michael and I have joined Pluralsight as authors for online trainings. I have worked on a course about Infrastructure as Code with CloudFormation during the last two months. I’m excited to announce that my first course was released: Automating AWS with ...

New CloudFormation Templates - NAT Gateway, Static website, Security

We released four new CloudFormation templates. Using our Infrastructure as Code templates will help you to bootstrap common setups on Amazon Web Services (AWS) within minutes. Our templates are exclusively designed for AWS CloudFormation, the Infrastruc...

Event Driven Security Automation on AWS

If your developers create their own infrastructure in minutes, who cares about security? In some organizations the security teams become the new bottleneck if the company wants to deploy every commit to production. Because manual reviews can’t be done f...

AWS Monthly Review - March 2016

AWS is innovating fast. This is a summary of what happened during past month. Announcements and News Happy Birthday AWS, 10 years of Cloud Computing. (AWS Blog Post) Referencing Security Groups in peered VPCs is possible even if the VPCs belong to diffe...

Security Templates for AWS CloudFormation

This page has moved to GitHub: https://github.com/widdix/aws-cf-templates/tree/master/security

Introducing the Object Store: S3

Back in the old days, data was managed as files in a hierarchy consisting of folders and files. The file was the representation of the data. In an object store, data is stored as objects. Each object consists of a globally unique identifier, some metada...

Optional Parameter in CloudFormation

Sometimes you want a CloudFormation Parameter to be optional. Unfortunately a blank Parameter contains an empty string. If you pass this empty string to e.g. the KeyName Property of an EC2 Instance or Launch Configuration you end up with a validation er...

Avoid Sharing Key Pairs for EC2

Lock and key devices are used by mankind for more than 6.000 years. Whether mechanical, electrical or digital, the concept stays the same: a key is needed to access resources behind a lock. Technology has made incredible progress since then. But one pro...

AWS Weekly 2016-08

The official AWS Week in Review gets longer and longer. This is a shortened version containing the most important news. Reference Security Groups in a peered VPC CloudWatch Events are Now Available in the eu-central-1 AWS CLI, AWS SDKs (JavaScript, Go,...

Protect AWS SDK calls with Bulkheads and Circuit Breakers

If you use one of the AWS SDKs to make queries to the AWS API you need to prepare for network unreliability. One of the AWS service that requires heavy SDK usage is DynamoDB (NoSQL database as a Service). I will use DynamoDB as an example in this post b...