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Helpful articles and tools for DevOps&SRE

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A terminal-based LDAP server explorer built with Go and BubbleTea, providing an interactive interface for browsing LDAP directory trees, viewing records, and executing custom queries.

https://github.com/ericschmar/moribito
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This in-depth article by Henrik Gerdes benchmarks various container runtime interfaces (CRIs) for Kubernetes. It provides a detailed comparison of runc, crun, gvisor, and youki, focusing on performance and memory consumption.
https://henrikgerdes.me/blog/2024-07-kubernetes-cri-bench/
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kubectl-validate is a SIG-CLI subproject to support the local validation of resources for native Kubernetes types and CRDs.

https://github.com/kubernetes-sigs/kubectl-validate
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This write-up from incident.io introduces the "Incident Maturity Model," a framework for evaluating and improving an organization's incident management processes. The model outlines three stages: Centralized, Distributed, and Democratized, offering a roadmap for growth.
https://incident.io/blog/the-incident-maturity-model
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This tutorial from Steven Sklar on DEV Community explains how to implement Kubernetes-powered leader election in Go applications. It walks through the use of Kubernetes Leases and the client-go/tools/leaderelection package with a practical code example.
https://dev.to/sklarsa/how-to-add-kubernetes-powered-leader-election-to-your-go-apps-57jh
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This comprehensive guide details the process of setting up a high-availability k3s Kubernetes cluster. It uses keepalived for a virtual IP, a Galera cluster for the database, and Longhorn for distributed block storage to ensure no single point of failure.
https://raymii.org/s/tutorials/High_Available_k3s_kubernetes_cluster_with_keepalived_galera_and_longhorn.html
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⚠️ Ingress Nginx will be retired!

To prioritize the safety and security of the ecosystem, Kubernetes SIG Network and the Security Response Committee are announcing the upcoming retirement of Ingress NGINX πŸͺ¦

https://kubernetes.io/blog/2025/11/11/ingress-nginx-retirement/
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This exploration by OpenSauced explains how they leverage Kubernetes Jobs to run OpenSSF Scorecard checks at a massive scale. The system is designed to assess the security posture of nearly any public repository on GitHub.
https://dev.to/opensauced/how-we-use-kubernetes-jobs-to-scale-openssf-scorecard-5bf2
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This post offers an exploration of the fundamental traffic management capabilities within the Istio service mesh. Author Albert Riu covers core concepts like DestinationRules, VirtualServices, and Gateways to control and route traffic in a microservices architecture.
https://medium.com/@arivermar/exploring-the-basics-of-istio-traffic-management-cee13f0817c2
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