{"product_id":"openshift-420-saskia-verne-9798244488265","title":"Openshift 4.20: AI Workloads, Virtualization, and Zero Trust Security: Deploy Leaderworkerset, Openshift Lightspeed, Post-Quantum Crypto, and Producti","description":"\u003cp\u003e\u003cb\u003eBuild production ready AI, virtualization, and zero trust clusters on OpenShift 4.20 with confidence.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRunning LLM inference, GPU workloads, and virtual machines on the same Kubernetes platform is powerful, but it quickly becomes painful when drivers, storage, routing, and security are glued together ad hoc. Outages show up during upgrades, GPU nodes get overwhelmed, and auditors ask questions the platform cannot answer clearly.\u003c\/p\u003e\u003cp\u003eThis book gives you a complete, opinionated blueprint for OpenShift 4.20 that treats AI, OpenShift Virtualization, and zero trust security as first class concerns. Step by step, you move from a clean baseline cluster to GPU capable model serving, distributed LLMs, segmented VM workloads, and hardened identity and crypto that hold up in real incidents.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesign node pools, MachineSets, and capacity plans that keep GPU, VM, and general workloads from colliding.\u003c\/li\u003e\n\u003cli\u003eInstall and validate GPU enablement stacks, enforce realistic resource requests, and keep accelerators stable under load.\u003c\/li\u003e\n\u003cli\u003eServe LLMs in production using OpenShift AI and vLLM, including batching, KV cache tuning, autoscaling, and resilience patterns.\u003c\/li\u003e\n\u003cli\u003eUse LeaderWorkerSet to run multi node, multi GPU distributed inference with predictable routing and failure handling.\u003c\/li\u003e\n\u003cli\u003eChoose storage patterns for models, datasets, and VM disks using object storage, PVCs, and CSI in ways that match throughput and recovery needs.\u003c\/li\u003e\n\u003cli\u003eRun OpenShift Virtualization alongside AI workloads with clear placement rules, live migration plans, and storage and networking guardrails.\u003c\/li\u003e\n\u003cli\u003eRoute inference traffic safely with TLS, auth, rate limits, Gateway API routing, service mesh mTLS, and canary releases for new models.\u003c\/li\u003e\n\u003cli\u003eAdopt OpenShift Lightspeed for cluster operations in a controlled way, with scoped permissions and auditable data flow.\u003c\/li\u003e\n\u003cli\u003eSecure the AI supply chain, from image signing and artifact controls to secrets hygiene, egress policy, and network segmentation for model servers.\u003c\/li\u003e\n\u003cli\u003eImplement workload identity for zero trust using Workload Identity Manager, SPIFFE, CSI mounted identities, and OIDC based service to service auth.\u003c\/li\u003e\n\u003cli\u003ePlan for post quantum crypto and compliance by enforcing TLS profiles, crypto policies, PQC ready patterns, and FIPS aligned operation.\u003c\/li\u003e\n\u003cli\u003eApply full reference builds for single node GPU serving, multi node LLM clusters with LeaderWorkerSet and ingress routing, and a virtualization enabled cluster with segmented networking.\u003c\/li\u003e\n\u003cli\u003eUse concrete production readiness checklists that cover SLOs, security controls, upgrades, disaster recovery, and failure drills.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is a code heavy guide that includes realistic YAML, Shell, and configuration snippets you can adapt directly to your own OpenShift clusters.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eGrab your copy today and turn OpenShift into a dependable platform for AI, virtualization, and zero trust workloads.\u003c\/b\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Saskia Verne\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798244488265\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/18\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 316\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.21lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 10.00h x 7.00w x 0.66d","brand":"Saskia Verne","offers":[{"title":"Paperback","offer_id":48447259836671,"sku":"9798244488265","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_de21c976-0f37-4d67-897b-0bf0888f1757.jpg?v=1777229915","url":"https:\/\/www.whiterainbookhouse.com\/products\/openshift-420-saskia-verne-9798244488265","provider":"WR Book House","version":"1.0","type":"link"}