Archives for October 2015

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As a DevOps engineer, I love to work with the AWS Command Line Interface (CLI) to control various AWS resources in an (half-)automated way. To be able to do so it is necessary to store access keys on my local machine. These access keys (access key ID and secret access key) are used to authenticate […]

To eliminate human error as much as possible I advised you to follow the idea of Infrastructure as Code implemented by AWS CloudFormation. Changes to your infrastructure like launching a new virtual server or making changes to a firewall configuration are no longer done manually. Instead you change the description of your infrastructure and let […]

This year’s re:Invent is over. 19,000 attendees are traveling back home. AWS announced tons of new features and services. We summarized the keynotes from day 1 and day 2 at re:Invent 2015 in Las Vegas. My wishlist still contains many items Replacement for NAT instances to access the Internet from private subnets. Why? Invoking Lambda […]

Every year AWS runs a big conference with 19,000 attendees in Las Vegas to announce new services and to educate people in more than 270 sessions about how to use AWS. As usual there was a keynote on Wednesday focusing on enterprise topics and a second keynote on Thursday focusing on the more innovative services. […]

Infrastructure as Code describes the idea of using a high level programming language to control IT systems. In software development, tools like automated tests, code repositories and build servers are increasing quality of software engineering. If your infrastructure can be treated as code you can apply the same techniques to infrastructure code than to your […]

Every year AWS runs a big conference with 19,000 attendees in Las Vegas to announce new services and to educate people in more than 270 sessions about how to use AWS. Although the conference started on Monday, the first Keynote was on Wednesday. And as usual the focus was enterprise customers. I want to highlight […]

Michael and I have written a book about Amazon Web Services. Our goal was to provide you a deep introduction to AWS with a lot of examples. We have started writing our book in January 2015. And with a lot of support from Manning, our reviewers, and MEAP readers we have reached the goal to […]

Unfortunately, EC2 instances aren’t fault-tolerant. Under your virtual server is a host system. These are a few reasons your virtual server might suffer from a crash caused by the host system: If the host hardware fails, it can no longer host the virtual server on top of it. If the network connection to/from the host […]