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The latest News and Information on Containers, Kubernetes, Docker and related technologies.

New S3 Objects give 403 Forbidden in Cloudfront

A common problem with Amazon CloudFront and Amazon S3 hosting deals with negative TTLs. Matthew from Blue Matador outlines the steps needed to correct this problem. Understand eventual consistency in S3. New items may take time to propagate through redundant systems and be available in all locations., Understand CloudFront's default policy for handling errors, like 403 forbidden, is to cache that error for 5 minutes., The solution is to modify distribution settings in CloudFront.

Announcing k3OS: A Kubernetes Operating System

Today we launched a new open source project called k3OS. K3OS is a Linux distro built for the sole purpose of running Kubernetes clusters. In fact, it is a Linux distro and the k3s Kubernetes distro in one! As soon as you boot up a k3OS node, you have Kubernetes up and running. When you boot up multiple k3OS nodes, they form a Kubernetes cluster. K3OS is perhaps the easiest way to stand up Kubernetes clusters on any server.

Monitoring Kubernetes + Docker, part 3: Sensu + Prometheus

In part 1 of this series, we discuss the rise of Kubernetes and Docker for containerization and container orchestration. I also shared some of the challenges these new technologies present and what sources of data we use to monitor Kubernetes. Part 2 dives into collecting Kubernetes data with Prometheus, plus the pros and cons of that approach. As promised in the conclusion of that post, I’ll address those cons — showing how Sensu and Prometheus form a complementary solution.

Configuring Amazon SNS for CloudWatch Alarms

In this video Blue Matador will walk you through how to set up Amazon SNS to receive CloudWatch alarms by email or text message. Using AWS CloudWatch isn't hard, it's just tedious with an unusable UI. We are experts in AWS and Kubernetes monitoring and have built Blue Matador to make the lives of DevOps professionals easier. Learn more about our cloud monitoring solution and other CloudWatch resources at www.bluematador.com.

Blue Matador Helps Canopy Monitor AWS and Kubernetes Proactively

Before Blue Matador Canopy was mostly using CloudWatch to monitor their AWS and Kubernetes infrastructure. Things they didn't know they should monitor would break. Now, they have moved from being proactive rather than reactive and are monitoring all of the unknowns. Find out more at www.bluematador.com

Monitor Twistlock with Datadog

Twistlock is a platform for managing security and compliance within various environments, including virtual machines, containers, and serverless functions. Ensuring legal and technical security is just as valuable as preventing outages and errors, which is why Datadog is delighted to announce a new integration with Twistlock. With this integration, you can track security and compliance risks within the same platform as the metrics, traces, and logs you already collect with Datadog.