DevOps & SRE notes

https://github.com/runwhen-contrib/runwhen-local

RunWhen Local provides a tailored troubleshooting cheat sheet for Kubernetes environments

Tracing Kubernetes services is vital for understanding the flow of requests and diagnosing issues within your microservices architecture. This article from ITNEXT delves into the techniques and tools used to implement tracing in Kubernetes environments. Learn how to gain deep visibility into your services, identify bottlenecks, and improve the performance and reliability of your applications.

https://itnext.io/tracing-kubernetes-services-4dc827abdc55

Kubernetes controller for GitHub Actions self-hosted runners

https://github.com/actions/actions-runner-controller

Managing in-cluster and external services in Kubernetes can be complex, especially when using load balancers. This article from LoxiLB discusses the nuances of setting up an in-cluster external service load balancer with LoxiLB. Explore the challenges, solutions, and best practices to optimize load balancing for your Kubernetes services, ensuring efficient traffic management and high availability.

https://www.loxilb.io/post/k8s-nuances-of-in-cluster-external-service-lb-with-loxilb

Monitoring containerd is essential for ensuring the health and performance of your containerized applications. This article by Povilas Veresciakas provides a comprehensive guide on how to monitor containerd effectively. Learn about the key metrics, tools, and best practices needed to gain insights into your container runtime and maintain reliable operations.

https://povilasv.me/how-to-monitor-containerd/

eBPF Observability - Distributed Tracing and Profiling

https://github.com/deepflowio/deepflow

Canonical Kubernetes is an opinionated and CNCF conformant Kubernetes operated by Snaps and Charms, which come together to bring simplified operations and an enhanced security posture on any infrastructure.

https://github.com/canonical/k8s-snap

Mastering Terraform modules is key to managing complex Azure infrastructure efficiently. In this final part of the series, IAMACHS delves into advanced techniques for using Terraform modules on Azure. Explore best practices, real-world examples, and tips for organizing and reusing infrastructure code, ensuring scalable and maintainable deployments.

https://www.iamachs.com/p/azure-terraform/part-7-modules-grand-finale/

Optimizing Terraform workflows is essential for efficient infrastructure management. This article by Bejarano.io introduces "Terraform Plan Light," a tool designed to speed up the Terraform plan process by reducing unnecessary overhead. Learn how to integrate this tool into your workflow to improve performance and streamline your Terraform operations.

https://www.bejarano.io/terraform-plan-light

Optimized and Maintenance-free Kubernetes on Hetzner Cloud in one command!

https://github.com/kube-hetzner/terraform-hcloud-kube-hetzner

Codespaces but open-source, client-only and unopinionated: Works with any IDE and lets you use any cloud, kubernetes or just localhost docker.

https://github.com/loft-sh/devpod

Implementing request-level authentication and authorization is vital for securing microservices in Kubernetes. This article from InfraCloud discusses how to integrate Istio with Keycloak to achieve fine-grained access control. Learn how these tools work together to enhance the security of your Kubernetes environment by managing authentication and authorization at the request level.

https://www.infracloud.io/blogs/request-level-authentication-authorization-istio-keycloak/

Another acquisition by IBM; now it's Kubecost.
https://newsroom.ibm.com/blog-ibm-acquires-kubecost-to-broaden-hybrid-cloud-cost-management-capabilities

Scaling to support over a million users online in a single server is a remarkable achievement, and Discord's engineering team has pushed the boundaries to make it possible. This article from the Discord blog details the challenges, innovations, and technical strategies employed to handle such massive scale, offering insights into the architecture and optimizations that enable seamless communication for millions of users simultaneously.

https://discord.com/blog/maxjourney-pushing-discords-limits-with-a-million-plus-online-users-in-a-single-server

Application lifecycle orchestration

https://github.com/akuity/kargo

a lightweight kubernetes multi-tenancy gateway

https://github.com/kubewharf/kubezoo

Effective data caching is essential for improving application performance and scalability. This article from RevenueCat delves into their approach to data caching, exploring the strategies and technologies used to optimize data retrieval and reduce latency. Learn how RevenueCat enhances user experience and system efficiency through thoughtful caching practices.

https://www.revenuecat.com/blog/engineering/data-caching-revenuecat/

Handling kernel panics in Kubernetes environments is critical for maintaining system stability. This article from the Netflix Tech Blog explores the challenges and solutions related to kernel panics in Kubernetes clusters. Learn about the techniques and tools Netflix uses to diagnose, mitigate, and prevent kernel panics, ensuring the resilience and reliability of their infrastructure.

https://netflixtechblog.com/kubernetes-and-kernel-panics-ed620b9c6225

KubeBlocks is an open-source control plane software that runs and manages databases, message queues and other stateful applications on K8s.

https://github.com/apecloud/kubeblocks

Sveltos Kubernetes add-on controller programmatically deploys add-ons and applications in tens of clusters. Support for ClusterAPI powered clusters, Helm charts, kustomize ,YAMLs. Sveltos has built-in support for multi-tenancy.


https://github.com/projectsveltos/addon-controller