AWS Open Source Blog

Category: Technical How-to

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Integrating Amazon EFS with Podman running on Red Hat Enterprise Linux

This post was written by Mayur Shetty and Vani Eswarappa. Podman is a daemonless open source, Linux-native tool designed for finding, running, building, sharing, and deploying applications using Open Containers Initiative (OCI) containers and container images on a Red Hat Enterprise Linux (RHEL) system. Similar to other container engines, such as Docker, Podman depends on […]

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Adding security workflows to OpenTelemetry

In this blog post, intern engineers Karen Xu and Kelvin Lo describe their experience working in the popular open source project, OpenTelemetry. They describe how they added security scanning workflows to the project, including how it supports a major milestone in readying the software for production use. In any important and widely adopted open source […]

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Best practices for migrating self-hosted Prometheus on Amazon EKS to Amazon Managed Service for Prometheus

With Amazon Web Services (AWS) customers adopting Amazon Managed Service for Prometheus (AMP) on Amazon Elastic Kubernetes Service (Amazon EKS), we often see requests for information regarding best practices to follow when moving self-managed Prometheus on Amazon EKS to AMP. In this article, we’ll examine those best practices, with a focus on the five pillars […]

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Deploying to Amazon Managed Workflows for Apache Airflow with CI/CD tools

Apache Airflow‘s active open source community, familiar Python development as directed acyclic graph (DAG) workflows, and extensive library of pre-built integrations have helped it become a leading tool for data scientists and engineers for creating data pipelines. Amazon Managed Workflows for Apache Airflow (Amazon MWAA) is a fully managed service that makes running open source […]

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Running your own server for Jamulus, an open source solution to jam with other musicians online

Musician activities, such as choir and band rehearsals—or jamming out—were largely grounded by the Covid-19 pandemic lockdowns. Many of these groups needed alternatives, and they often resorted to videoconferencing tools, such as Amazon Chime or open source tools, such as Jitsi. Most of these solutions are optimized for conversation, however, not for music, so they […]

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Serverless COBOL: Rejuvenating legacy code with open source software — Part 2

The benefits of the serverless architecture are not reserved to newly written applications. Legacy code can be combined with leading-edge technologies by deploying them in a cloud platform. This will ensure reuse of the massive existing legacy assets and further extend their life, thus using them in new ways. Serverless COBOL: Rejuvenating legacy code with […]

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Serverless COBOL: Rejuvenating legacy code with open source software — Part 1

In this post, we explain how using open source software, GnuCOBOL, combined with AWS Lambda functions, can extend the life of legacy code into a serverless context. We also examine additional benefits of open source software when legacy features are deployed in such a modern environment. The COBOL code described in this post—CI/CD scripts—are available […]

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Declarative provisioning of AWS resources with Spinnaker and Crossplane

This post was written by Steve Borrelli, Rob Clark, Manabu McCloskey, Vikrant Kahlir, and Nima Kaviani. In a previous blog post, we discussed how GitOps, declarative definition of infrastructure and application resources, and using technologies such as AWS Controllers for Kubernetes (ACK) and Crossplane have enabled DevOps engineers to reduce complexity and improve visibility into […]

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Developing microservices using container image support for AWS Lambda and AWS CDK

AWS Cloud Development Kit (AWS CDK) is an open source software development framework used to define cloud application resources using familiar programming languages. AWS CDK can build container images locally, deploying them to Amazon Elastic Container Registry (Amazon ECR), and configure them to run as Lambda functions. AWS CDK accelerates onboarding to AWS because there […]

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How being open led to greater customer value with the AWS IoT Device SDK for Embedded C

The AWS IoT Device SDK for Embedded C (C-SDK) is composed of a set of MIT-licensed libraries that demonstrate simplified, lightweight, and secure connectivity to AWS IoT Core and device-side operations to AWS IoT services. The AWS IoT C-SDK can work on a variety of operating systems, such as Linux, macOS, and Windows, or a […]

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