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How to create a security group allowing traffic from CloudFront only?

It is one of those problems for which there has been no satisfactory solution for years. How do you ensure that only CloudFront is granted access to an Elastic Load Balancer - CLB, ALB, or NLB? Without the ability to restrict incoming traffic, all of Cl...

Sanction Russia: Block traffic using CloudFront Geo Restriction

Russia attacked a sovereign state this week. Most states condemn the attack and impose sanctions. Among other things, sanctions are intended to mobilize the Russian population to rise up against their aristocrat Putin. As of today, cloudonaut is no long...

Enabling S3 Versioning is not a backup strategy

Here are three reasons why enabling S3 Versioning is not a backup strategy. Instead, you should consider AWS Backup for S3, which AWS released on February 18th, 2022. AWS Backup enables you to control and automate managing backups centrally. To do so, A...

AWS Security: Stephen Kuenzli and Andreas Wittig on IAM

Stephen Kuenzli and I lead several cloud migration projects. In this conversation, we shared our learnings focusing on AWS security and IAM (Identity and Access Management). The result is advice and inspiration that will help you in your daily work. Our...

Connect to your EC2 instance using SSH the modern way

Did you know that establishing an SSH connection with an EC2 instance is possible without configuring a key pair and allowing inbound traffic on port 22? How is that possible? The secret is a combination of EC2 Instance Connect and Systems Manager (SSM)...

How to set up Jenkins on AWS?

What’s the best way to run Jenkins on AWS? As Jenkins is still a popular automation server used for continuous integration and deployment, consulting clients have engaged me to design and implement a cloud architecture for Jenkins several times in recen...

Parental Leave (Michael)

Taking care of my family is the number one priority for me. Luckily, Andreas and I bootstrapped a profitable business that provides us tremendous freedom. Starting today, I’m on parental leave for the next six months. I’m looking forward to dedicating m...

2021 in Review

The past 12 months have been an exciting time for us. We started the year with high expectations and a significant investment in video recording. Our goal was to attract 1,000 paying subscribers for exclusive video content called cloudonaut plus. Each w...

Video Hosting on AWS

How to embed a video into your website? There is an alternative that looks and feels much more professional than embedding a YouTube video. Read on to learn how to host video-on-demand with the help of Amazon Web Services (AWS). First of all, deliverin...

AWS Architect Mindset

Architecting applications on AWS is challenging. On the one hand, you need a broad understanding of AWS services. On the other hand, you have to know the details as well. In this blog post, I outline the mindset you need to build on AWS successfully. ...