Cloudonaut Teaser

Welcome to cloudonaut

Your launchpad for Amazon Web Services

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Welcome to cloudonaut

Your launchpad for Amazon Web Services

Cloudonaut Teaser
AWS SSM is a trojan horse: fix it now! Decoration element

AWS SSM is a trojan horse: fix it now!

Recently, I held a security workshop together with a team of engineers. At some point, the team demonstrated how they use AWS Systems Manager (SSM) to run commands on a machine. What the team didn’t know: they enabled a backdoor that allows everyone wit...

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More than 25 SSL certificates with ECS

More than 25 SSL certificates with ECS

Both the Application Load Balancer (ALB) and the Network Load Balancer (NLB) provide TLS/HTTPS listeners allowing you to encrypt the data in transit from the clients to your cloud infrastructure. Together, with the Amazon Certificate Manager (ACM) which...

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Cronjob at the edge with AWS IoT

Cronjob at the edge with AWS IoT

I’m working on a project where I have to manage a cronjob that runs on a small computer with an unreliable Internet connection. I want to configure the cronjob schedule expression (e.g., 0 10 * * *) remotely but the cronjob should not be interrupted if ...

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My mental model of AWS

My mental model of AWS

AWS is a complex system that no one can understand end-to-end? As AWS professionals we still have to deal with the AWS system daily. We design for AWS, and we debug our applications running in AWS. How can we deal with a system that is too complex to un...

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EKS vs. ECS: orchestrating containers on AWS

EKS vs. ECS: orchestrating containers on AWS

AWS announced Kubernetes-as-a-Service at re:Invent in November 2017: Elastic Container Service for Kubernetes (EKS). Since yesterday, EKS is generally available. I discussed ECS vs. Kubernetes before EKS was a thing. Therefore, I’d like to take a second...

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Migrating to Amazon Linux 2

Migrating to Amazon Linux 2

I run all my EC2 workloads on Amazon Linux. It comes with a superb AWS integration, a secure default configuration, regular security updates, and I can open AWS Support tickets if I run into any problems. In late December 2017, AWS announced the succes...

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Book cover of cloudonaut Decoration element

New book: Rapid Docker on AWS

Our learning experience designed for web developers and DevOps engineers who want to dockerize their web applications and run their Docker containers on Amazon Web Services. Prior knowledge of Docker and AWS is not required. Simple to use and fast to implement!

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About us

Andreas Wittig and Michael
Andreas Wittig

Andreas is an Amazon Web Services (AWS) and DevOps enthusiast. His first cloud project was to build the infrastructure for an online banking platform on AWS. Andreas loves to teach no matter if virtual or face-to-face. He is the author of Amazon Web Services in Action, published by Manning.

Michael Wittig

Michael Wittig is author of Amazon Web Services in Action (Manning). He helps his clients to gain value from Amazon Web Services. As a software engineer he develops cloud-native real-time web applications. He has expertise in distributed system development and architecture, with experience in algorithmic trading and real-time analytics.

We are available for projects.

You can hire us via our website widdix.net

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Incident Management for Slack

Team up to solve incidents with our chatbot marbot. Never miss a critical alert. Escalate alerts from your AWS infrastructure among your team members. Strong integrations with all parts of your AWS infrastructure: CloudWatch, Elastic Beanstalk, RDS, EC2, ...

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