Kube Builders

News and links on infrastructure and building Kubernetes clusters curated by the @Learnk8s team
Mastodon: @[email protected]

[LearnKube @learnk8s]

Pumba lets you kill, pause, and stress containers while injecting network delays, packet loss, and corruption

You can deploy it as a DaemonSet for cluster-wide chaos engineering

➜ https://t.co/op3WCIuAWP

[KubeFM @K8sFM]

🗣️ Billy Thompson discusses build vs buy decisions in Kubernetes - the trade-offs between custom tools and CNCF projects, emphasizing maintenance burden vs community support

Watch the full interview: https://t.co/QsvhBSGLPk

[Kube Builders @KubeBuilders]

This article shows why Grafana becomes slow on Kubernetes when multiple replicas share SQLite over EFS, and explains why a single replica on block storage or a real external database is the correct fix

➜ https://t.co/y4oLRfS0Yj

[LearnKube @learnk8s]

This week on the Learn Kubernetes Weekly:

🔥 Qwen 3.5 27B on GKE with B200 GPUs
🤖 AI-Powered IT Helpdesk
⚙️ Ansible AWX on Kubernetes
🛡️ Kubermatic SecureGuard
🔐 Secrets Management

⭐️ StormForge

Read it now: https://t.co/DY5DsXjkns

[Kube Builders @KubeBuilders]

CloudNativePG is the Kubernetes operator that covers the entire lifecycle of a highly available PostgreSQL database cluster with a primary/standby architecture, using native streaming replication

➜ https://t.co/WH4J8IpexV

[Kube Builders @KubeBuilders]

Cyphernetes lets you query the Kubernetes API as if it were a graph database and discover relationships between resources

➜ https://t.co/ELwecqR3Bq

[Kube Builders @KubeBuilders]

This tool benchmarks Kubernetes log collectors by measuring throughput, CPU, memory, and log loss with a built-in verifier across agents like Vector, Fluent Bit, OpenTelemetry Collector, and Grafana Alloy

➤ https://t.co/wtBonV4R54

[LearnKube @learnk8s]

📣 New on LearnKube: "The mechanics of Kubernetes RBAC and how it connects users to permissions."

Read the full guide:
https://t.co/uJgqRwUa4c

[Kubesploit @kubesploit]

This case study shows how Unitary built Osmia, an open-source orchestration layer on EKS to run autonomous AI coding agents safely at scale using pod isolation, Karpenter, IRSA-based secrets, and real-time trajectory scoring

➤ https://t.co/5RpUQaPTWd

[Kube Builders @KubeBuilders]

This tool manages VyOS virtual router configuration on Kubernetes through KubeVirt, Proxmox VE, or bare metal using QEMU Guest Agent or gRPC instead of normal network access

➤ https://t.co/4C3O02WVGP

[KubeFM @K8sFM]

🗣️ Mike Stefaniak, Head of Product, Kubernetes and Registries at AWS, discusses multi-cluster management challenges

Watch the full interview: https://t.co/f3J8f58K8h

[Kubesploit @kubesploit]

This tutorial shows how to run Cloudflare Tunnels as a DaemonSet to expose services with zero open inbound ports, using liveness probes, Kubernetes Secrets, and GitOps with ArgoCD

➜ https://t.co/t5ITZF2SO1

[KubeFM @K8sFM]

Kubernetes is getting harder, not easier—and AI workloads are making it worse

Udi Hofesh at KCD New York on how AI SRE addresses growing operational complexity

10 free tickets → [email protected]
🌎 https://t.co/JUAeQIPHh0

[Kube Builders @KubeBuilders]

This tutorial teaches how to build an elastic Kubernetes platform on VMware vSphere using Cluster API, Talos, and Cluster Autoscaler for declarative provisioning and automatic node scaling

➤ https://t.co/qZ2Lif4vQO

[Kube Builders @KubeBuilders]

This tutorial shows how to migrate Amazon EKS VPC CNI from a self-managed DaemonSet to an AWS managed add-on by preserving custom env settings, moving permissions to IRSA, and avoiding downtime during adoption

➜ https://t.co/KlpEuhpgzO

[Kube Architect @K8sArchitect]

This case study explains why Nginx Ingress Controller causes TCP connection timeouts on GKE during pod termination

It traces:

- kube-proxy health check delays (~5s),
- GCP LB probe intervals (24s),
- and KEP-1669 terminating endpoint behavior

➤ https://t.co/mvBdFQUn20

[KubeFM @K8sFM]

Stacey Potter at KCD New York: open-source security, cognitive load, why secure-by-design needs everyone—not just the security team

we have 10 free tickets → [email protected]\

🌎 https://t.co/JUAeQIPHh0

[Kube Architect @K8sArchitect]

Percona vs MongoDB Community vs KubeDB vs Atlas — which operator should you run for MongoDB on Kubernetes?

Full breakdown + architecture + PITR guide →
https://t.co/1wNpkKd4rY

[Kube Builders @KubeBuilders]

Telescope is a web based log viewer that lets teams explore Kubernetes, Docker, ClickHouse, and StarRocks logs through one interface with filtering, graphs, RBAC, and GitHub authentication

➤ https://t.co/ntoZEJcT1L

[Kube Builders @KubeBuilders]

KubeSolo is a single-node Kubernetes distribution optimized for edge, IoT and embedded devices

It eliminates clustering and etcd, uses SQLite via Kine, and runs in under 200MB RAM while remaining OCI-compliant and Helm-ready

➜ https://t.co/2zmRGlJfLl