external-resizer
Sidecar container that watches Kubernetes PersistentVolumeClaims objects and triggers controller side expansion operation against a CSI endpointhttps://github.com/kubernetes-csi/external-resizer
highlight
The open source, full-stack monitoring platform. Error monitoring, session replay, logging and more.https://github.com/highlight/highlight
Terraform (IaC) testing: Localstack + Terratest
https://medium.com/@ledevedeccorentin/terraform-iac-testing-localstack-terratest-9946dafe98b6
https://medium.com/@ledevedeccorentin/terraform-iac-testing-localstack-terratest-9946dafe98b6
kubefirst
The Kubefirst CLI creates instant GitOps platforms that integrate some of the best tools in cloud native from scratch in minutes.https://github.com/kubefirst/kubefirst
How to Find and Fix Elasticsearch Unassigned Shards
https://sematext.com/blog/elasticsearch-unassigned-shards
https://sematext.com/blog/elasticsearch-unassigned-shards
terraform-provider-docker
Terraform Docker providerhttps://github.com/kreuzwerker/terraform-provider-docker
Provisioning Kubernetes clusters on AWS with Terraform and EKS
TL;DR: In this guide, you will learn how to create clusters on the AWS Elastic Kubernetes Service (EKS) with eksctl and Terraform. By the end of the tutorial, you will automate creating three clusters (dev, staging, prod) complete with the ALB Ingress Controller in a single click.https://learnk8s.io/terraform-eks
UPDATED IN JANUARY 2023
jitsu
Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not dayshttps://github.com/jitsucom/jitsu
Provisioning Kubernetes clusters on GCP with Terraform and GKE
TL;DR: In this article you will learn how to create clusters on the GCP Google Kubernetes Engine (GKE) with the gcloud CLI and Terraform. By the end of the tutorial, you will automate creating three clusters (dev, staging, prod) complete with the GKE Ingress in a single click.https://learnk8s.io/terraform-gke
UPDATED IN JANUARY 2023
tart
macOS and Linux VMs on Apple Silicon to use in CI and other automationshttps://github.com/cirruslabs/tart
Load Balancing
In this post we're going to focus on the ways that a single load balancer might distribute HTTP requests to a set of servers. We'll start from the bottom and work our way up to modern load balancing algorithms.https://samwho.dev/load-balancing
How we handled 100k+ CCU on a real-time collective canvas
https://medium.com/@alexmogfr/zevent-place-how-we-handled-100k-ccu-on-a-real-time-collective-canvas-71d3d346e0ab
https://medium.com/@alexmogfr/zevent-place-how-we-handled-100k-ccu-on-a-real-time-collective-canvas-71d3d346e0ab
kubectl-debug
Debug a target container in a Kubernetes cluster by automatically creating a new, non-invasive, 'debug' container in the same pid, network, user, and ipc namespace as the target container without disrupting the target container.https://github.com/JamesTGrant/kubectl-debug
Scaling Kubernetes to multiple clusters and regions
https://community.ops.io/danielepolencic/scaling-kubernetes-to-multiple-clusters-and-regionss-jp7
https://community.ops.io/danielepolencic/scaling-kubernetes-to-multiple-clusters-and-regionss-jp7
helm-mapkubeapis
This is a Helm plugin which map deprecated or removed Kubernetes APIs in a release to supported APIshttps://github.com/helm/helm-mapkubeapis
How does Kubernetes assign QoS class to pods through OOM score?
To know about the concept of Linux's OOMKilled and how it helps Kubernetes to define a Quality of Service (QoS) class for its pods.https://cloudyuga.guru/hands_on_lab/k8s-qos-oomkilled
kubeaudit
kubeaudit helps you audit your Kubernetes clusters against common security controlshttps://github.com/Shopify/kubeaudit
How to find unused Prometheus metrics using mimirtool
https://0xdc.me/blog/how-to-find-unused-prometheus-metrics-using-mimirtool
https://0xdc.me/blog/how-to-find-unused-prometheus-metrics-using-mimirtool
KubeMarine
Kubemarine is an open source, lightweight and powerful management tool built for end-to-end Kubernetes cluster deployment and maintenance.https://github.com/Netcracker/KubeMarine
Prometheus’ performance and cardinality in practice
In this article, I will explain how I analyzed and configured my Prometheus setup in order to significantly reduce its resource usage and worked around cardinality issues.https://0xdc.me/blog/prometheus-performance-and-cardinality-in-practice