A practical guide to cutting Kubernetes infrastructure costs — rightsizing workloads with VPA, leveraging spot/preemptible nodes, improving bin packing, measuring cost with Kubecost, and eliminating idle compute with KEDA scale-to-zero.
Advanced Kubernetes
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Kubernetes Cost Optimization: Rightsizing, Spot Nodes, Bin Packing, Kubecost, and Scale-to-Zero -
Kubernetes Networking Internals: kube-proxy, iptables vs eBPF, CNI Plugins, and DNS A deep dive into how Kubernetes networking actually works — the pod network model, kube-proxy and Service implementation, iptables vs eBPF data planes, CNI plugin comparison, and CoreDNS resolution internals.
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Multi-Cluster Kubernetes: Fleet Management, Cross-Cluster Service Discovery, and Traffic Routing A practical guide to running multiple Kubernetes clusters — when and why to go multi-cluster, fleet management with Cluster API, workload distribution with Karmada, cross-cluster service discovery, and traffic routing strategies.