Category: Tech Notes
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What OpenShift Offers a TKGI Estate, and Why TKGI Is Winding Down (TKGI to OpenShift Series, Part 1)
TKGI reaches official End of Support in October 2027 and is already incompatible with VCF 9.1 and NSX 9.1. Here is why OpenShift 4 is a credible landing place, how it maps to what you run today, and the migration tooling assumption that costs teams a sprint.
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Secure Enterprise AI with VMware Private AI on VCF 9 (HCLTech White Paper)
HCLTech white paper: securing enterprise AI with VMware Private AI on VCF 9 — data protection, compliance, control and sovereignty.
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AI & GenAI — Complete Guides & Series
Deep-dive series across the AI and generative-AI stack — self-hosted, private cloud and public cloud, explained part by part. Pick one below to read the full series. Red Hat Gen AI SeriesSelf hosting generative AI on Red Hat: RHEL AI, InstructLab, Granite, OpenShift AI, KServe, vLLM, llm-d, guardrails and GPU cost, in 30 parts.Read →Infra…
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VCF 9 Complete Guides & Series
A set of deep-dive technical series for VMware Cloud Foundation 9 and its components — concepts, architecture and day-2 operations, explained part by part. Pick one below to read the full series. VCF 9 Complete GuideEnd-to-end VCF 9 deployment, operations, and day-2.Read →VCF 9.1 Deployment (Step by Step)Greenfield build of a VCF 9.1 fleet in…
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How to Reduce LLM API Costs, From Prompt Hygiene to Self Hosting
A practical, beginner to expert guide to cutting LLM API costs: token math, prompt and context hygiene, caching and batching, model routing, and when self hosting actually pays off.
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How to Become a Data Scientist From an Infra, SRE or VMware Background
If you run infrastructure, carry an SRE pager or administer VMware, you already own half of a data science career. Here is the order to build the other half, with a resource mapped to every step.
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Decommissioning TKGI and Ops Manager After the VKS Migration (TKGI to VKS Series, Part 26)
TKGI is idle and VKS carries production, so now you retire the old platform. A step by step teardown of TKGI clusters, NSX-T objects, BOSH and Ops Manager, with the point of no return marked and the capacity handed back to VCF 9.
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Observability, Backup and Disaster Recovery on VKS (TKGI to VKS Series, Part 25)
Observability, backup and disaster recovery on VKS, the safety net under a migrated estate. Stand up metrics, logs and traces, schedule Velero backups with volume data movement, and prove recovery with a restore drill that catches the crash-consistent database trap.
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Day-2 Operations on VKS, Lifecycle, Upgrades and Scaling vs BOSH (TKGI to VKS Series, Part 24)
After the cutover, Day-2 on VKS replaces BOSH and Ops Manager with a declarative model. Here is how to upgrade Kubernetes versions, scale node pools, and roll back safely, with the commands that map to your old TKGI habits.
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Production Cutover to VKS, Traffic Shift, Validation and Rollback (TKGI to VKS Series, Part 23)
The production move from TKGI to VKS in one runbook: lower the DNS TTL ahead of time, shift traffic at a load balancer you control, validate the real user path, and keep a rollback that takes seconds because the old platform stays warm.
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VKS Pilot Migration, One Non-Prod Cluster End to End (TKGI to VKS Series, Part 22)
A pilot runs the whole TKGI to VKS playbook against one non-prod cluster, start to finish, so your production cutover repeats a proven run instead of improvising under load. Here is the end to end runbook, with real timings and the failures to expect.
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Secrets, Config and CI/CD Pipeline Migration to VKS (TKGI to VKS Series, Part 21)
Move plain secrets and ConfigMaps with Velero, re-seal sealed secrets against VKS, and give your CI/CD pipeline a real service account instead of a human login.
Architect’s Toolkit
PJ’s Tools
- Infra 360 Hub – All Series
- VCF 9 Interactive Walkthroughs
- VCF Design Cheatsheet
- VCF Upgrade Planner
- VCF 9 Series Hub
- VCF Deployment Hub
- AI Stack Hub
- AI Infra Sizing & Cost Calculator
- LLM & RAG Cost Calculator
- DrJhaGPT – Ask Pranay
VMware Cloud Foundation
- VCF Documentation
- VCF 9 Planning & Preparation Workbook
- VCF Bill of Materials (BoM)
- VMware Compatibility Guide
- VMware Interoperability Matrix
- VMware Configuration Maximums
- VMware Ports & Protocols
- VMware Hands-on Labs
- RVTools Download
Nutanix
AI & Cloud-Native Platform
- NVIDIA Build (Model Catalog)
- NVIDIA AI Enterprise Reference Architecture
- NVIDIA NIM Performance Benchmarking
- NVIDIA NGC Catalog
- NeMo Microservices Helm Chart
- Helm Charts Repository
- Hugging Face Models
Architecture & Design
About the Author

Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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