The guide offers a detailed walkthrough of upgrading an EKS cluster, covering all stages, from planning to deployment, for various types of nodes, ensuring a disruption-free upgrade process

➜ https://itnext.io/eks-cluster-upgrades-a-step-by-step-guide-to-a-smooth-and-secure-process-279cf4f5f535

AWS Load Balancer Controller is a controller to help manage Elastic Load Balancers for a Kubernetes cluster

It satisfies:

- Ingress resources by provisioning Application Load Balancers
- Service resources by provisioning Network Load Balancers

➤ https://github.com/kubernetes-sigs/aws-load-balancer-controller

In this 2-part series, you will learn the complexity, thought process and implementation that the team at Adevinta had to put in place to upgrade their 30+ production cluster to the latest version of EKS with minimal disruptions

➜ https://medium.com/adevinta-tech-blog/unpacking-the-complexities-of-kubernetes-upgrades-beyond-the-one-click-update-1f2c4e7f37b0

In this article, you will look at how DNS resolution works in a Kind cluster running in Docker

Since Docker already provides DNS resolution, Kind modifies all resolutions to make them play nicely with CoreDNS

➜ https://hwchiu.medium.com/fun-dns-facts-learned-from-the-kind-environment-241e0ea8c6d4

Koordinator is a QoS-based scheduling system for hybrid orchestration workloads on Kubernetes

Its goal is to improve the runtime efficiency and reliability of both latency-sensitive workloads and batch jobs

➤ https://github.com/koordinator-sh/koordinator

The guide covers setting up EKS Amazon Clusters, adding Cilium to projects using Terraform and Helm, supporting GitOps, and using Karpenter for efficient resource utilization and cost savings

➜ https://aws.plainenglish.io/architecting-for-resilience-crafting-opinionated-eks-clusters-with-karpenter-cilium-cluster-mesh-c87cee1df934

This week on the Learn Kubernetes Weekly:

🔌 Understanding how pods talk in Kubernetes networks
☔️ Container network packet drop in AKS
🛩️ Accessing a private GKE cluster
🥷 Secret management
🚔 Open Policy Agent

Read it now: https://learnk8s.io/issues/57

In this blog post, you will delve into the essentials of network traffic within Kubernetes clusters, explore tools and techniques for packet capturing, and unearth best practices to ensure our efforts are efficient and safe

➜ https://jysk.tech/inspect-deployment-network-traffic-in-kubernetes-8a348110df4d

Hubble is a fully distributed networking and security observability platform for cloud native workloads

It is built on top of Cilium and eBPF to enable deep visibility into the communication and behaviour of services and the networking infrastructure

➜ https://github.com/cilium/hubble

This article covers the lesson learned at Target Australia from running EKS at scale:

➀ The usage of Bottlerocket and its security benefits
➁ How Karpenter is a more cost-effective and flexible solution than the Cluster Autoscaler

➤ https://medium.com/@gazal.k/bolstering-security-automating-management-of-target-australias-eks-clusters-705c6abf5b74