EC2

AWS Velocity Series: EC2 based app CI/CD pipeline

AWS Velocity Series: EC2 based app CI/CD pipeline

In the previous article, you learned how to use CloudFormation to describe a production-ready infrastructure for an EC2 based app. In this article you will learn to: Automate the creation of an AMI that contains the app with Packer Deploy a CloudFormat...

AWS Velocity Series: EC2 based app infrastructure

AWS Velocity Series: EC2 based app infrastructure

To run a production-ready application on EC2 gives you maximum freedom but also maximum responsibilities. By production-ready, I mean: Highly available: no single point of failure Scalable: increase or decrease the number of instances based on load Fri...

Free ebook: Building and Deploying Applications on the Cloud

Free ebook: Building and Deploying Applications on the Cloud

DZone published a new guide: Building and Deploying Applications on the Cloud. It contains an article from Michael and me: Building Blocks for Highly Available Systems on AWS. The ebook contains the following articles: Fullstack Engineering in the Age...

Manage AWS EC2 SSH access with IAM

Manage AWS EC2 SSH access with IAM

AWS can deploy one EC2 Key Pair to your EC2 instance. But this approach has several disadvantages: You can only use one key per EC2 instance. But you shouldn’t share keys between users. Access to EC2 instances via SSH can not be restricted to specific ...

Avoid Sharing Key Pairs for EC2

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...

5 AWS mistakes you should avoid

5 AWS mistakes you should avoid

Since this year I’m working as an AWS Cloud Consultant where I see a lot of small to medium sized AWS deployments. Most of them are typical web applications. I want to share with you the 5 most common mistakes that you better avoid: managing infrastruc...

3 simple ways of saving up to 90% of EC2 costs

3 simple ways of saving up to 90% of EC2 costs

An EC2 instance is billed at an hourly rate depending on the instance type and the region by default. This pricing model is called on-demand. It is the simplest but also most expensive way of using EC2 instances. There are two other purchasing options f...

High availability is a no-brainer: EC2 auto-recovery

High availability is a no-brainer: EC2 auto-recovery

Werner Vogels (CTO of AWS) is quoted with “Everything fails all the time.”. This does not mean AWS is an unreliable cloud provider. Quite the contrary: AWS plans for failure. All services are highly available or fault tolerant. Some of them by default, ...

Prevent outages with redundant EC2 instances

Prevent outages with redundant EC2 instances

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 virtu...

Building blocks for highly available systems

Building blocks for highly available systems

Thanks to the cloud, highly available systems are becoming the new standard. Creating an architecture offering high availability or even fault tolerance is affordable nowadays as you can use ready-to-use building blocks. On top of that, you can operate ...


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