Exploring how to do anomaly alerting on seasonal data in Prometheus.

Overmind is a powerful tool for real-time impact analysis on Terraform changes. Overmind can identify the blast radius and uncover potential risks with overmind terrafrom plan before they harm your infrastructure, allowing anyone to make changes with confidence. We also track the impacts of the changes you make with overmind teraform apply, so that you can be sure that your changes haven't had any unexpected downstream impact.

Open source data anonymization and synthetic data orchestration for developers. Create high fidelity synthetic data and sync it across your environments.

Single binary, single command SQLite database explorer. SQLite studio supports opening both local SQLite DB files, libSQL servers and PostgreSQL.

jsondiff is a Go package for computing the diff between two JSON documents as a series of RFC6902 (JSON Patch) operations, which is particularly suitable to create the patch response of a Kubernetes Mutating Webhook for example.

When you have an outage caused by a performance issue, you don't want to lose precious time just to install the tools needed to diagnose it. Here is a list of "crisis tools" I recommend installing on your Linux servers by default (if they aren't already), along with the (Ubuntu) package names that they come from.

1. Helm doesn't provide a mechanism for upgrading Custom Resource Definitions
2. Helm dependency management
3. Helm chart creation is not user-friendly
4. The values.yaml file is an anti-pattern
5. Inability to interact with the Kubernetes API

Linkerd’s dynamic request routing feature has been introduced in Linkerd 2.13. It leverages the Kubernetes Gateway API feature, which reduces the amount of new configuration machinery introduced onto the clusters while still providing a rich and expressive feature set. In this blog post, we will look at Linkerd’s dynamic request routing feature and use it for A/B testing using Flagger.

Yazi (means "duck") is a terminal file manager written in Rust, based on non-blocking async I/O. It aims to provide an efficient, user-friendly, and customizable file management experience.