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.

In this article we will see how we can generate an OCI bundle and spawn a container with runc.