{ "item_title" : "Kubernetes Networking & Troubleshooting in Production", "item_author" : [" Sam Blackwood "], "item_description" : "Your pods are healthy, your CPU is flat, and checkout is still returning 500s. The dashboard says nothing is wrong. The packet disagrees.Kubernetes Networking & Troubleshooting in Production is the field manual for the failures dashboards don't show: pod-to-pod dead while pod-to-internet works, MTU black holes that read as slow, DNS resolution loops, and NetworkPolicies that deny traffic they should allow.Every chapter runs on the same six-node EKS cluster, so the commands you copy are the commands that worked: Chapter 1 maps the four packet paths - pod to pod, pod to Service, pod to ingress, pod to the internet - and the exact hop where each one diesChapter 2 pits Calico, Cilium, and the cloud-provider CNIs head-to-head: what each one actually programs, and the MTU math that followsChapters 3 and 4: CoreDNS drops and resolution loops, then ingress-nginx SSL termination and the headers it losesChapter 5 adds the service mesh only where it earns its keep; Chapter 6 turns NetworkPolicy into real zero-trust microsegmentationChapter 7 traces dropped packets in real time with eBPF - no tcpdump requiredChapter 8 connects a second cluster over a transit gateway without a CIDR collisionChapter 9: ten production war stories, in incident order - what the page said, what the packet showed, what fixed itChapter 10: 14 alert thresholds and a 10-minute first-response runbook you can deploy the day you finishWritten by an SRE with five years of on-call experience. No cluster redefined between chapters, no just add a service mesh, no hand-waving. If you're the person the page comes to, this is the book you reach for.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/817/853/9798178539231_b.jpg", "price_data" : { "retail_price" : "18.99", "online_price" : "18.99", "our_price" : "18.99", "club_price" : "18.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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