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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3517 posts
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Moved to culture/motivation-why-it-matters (en)
This post has moved to the culture category. See culture/2026-06-16-motivation-why-it-matters.en.
2026-06-16 · 1 min read #mindset#motivation#leadership#purposeMoved to culture/maximizing-your-strengths (en)
This post has moved to the culture category. See culture/2026-06-16-maximizing-your-strengths.en.
2026-06-16 · 1 min read #mindset#strengths#career#growthAI Hardware Research Trends 2026 — The Future Through the Papers
A field-by-field review of where AI hardware research is heading in 2026. From wafer-scale and photonics, compute-in-memory, FP4 low-precision training, sparsity and MoE hardware, optical interconnect, next-generation me
2026-06-16 · 19 min read #ai-papers#ai-hardware#photonics#compute-in-memory#low-precisionOffice Hidden Features and Cross-App Integration — Tips That Buy You Time
A practical roundup of lesser-known Microsoft 365 Office features and how to wire Word, Excel, and PowerPoint together. It covers shortcuts, clipboard history, screen clipping, paste links, mail merge, PDF editing, autos
2026-06-15 · 18 min read #office#productivity#microsoft-365#integration#copilotMastering Excel Modern Functions in 2026 — From Dynamic Arrays to GROUPBY
A practical guide to the latest Microsoft 365 Excel functions, organized around real-world examples. From dynamic arrays and the spill concept to XLOOKUP, FILTER, LET, LAMBDA, GROUPBY/PIVOTBY, and regular expression func
2026-06-15 · 12 min read #excel#productivity#dynamic-array#lambda#groupbyPowerPoint Pro Techniques — Design, Shortcuts, and Fast Workflows
A practical guide to building fast, polished slides in PowerPoint. Learn shortcuts, design principles, the Slide Master, alignment and distribution, icons and charts, presenter tools, accessibility, and collaboration so
2026-06-15 · 16 min read #powerpoint#productivity#office#design#shortcutsAutomating Data Cleaning with Power Query — Reports That Refresh in One Click
A step-by-step guide to automating data import and transformation with Power Query. Covers combining folders, merging and appending queries, parameters, a taste of the M language, refresh automation and its limits, plus
2026-06-15 · 9 min read #excel#productivity#power-query#etl#data-cleaningWord Productivity — Styles, Shortcuts, and Long-Document Automation
A practical guide to automating long reports in Microsoft Word using styles, shortcuts, tables of contents, captions and cross-references, headers and footers, advanced find and replace, the review tools, and mail merge.
2026-06-15 · 15 min read #word#productivity#office#styles#shortcutsMaster Excel Shortcuts — Leave the Mouse Behind
A category-by-category guide to the shortcuts that determine your Excel speed. With both Windows and Mac keys listed, plus practical workflow combos, mistake-reducing habits, and a practice routine, you can cut your reli
2026-06-15 · 12 min read #excel#productivity#shortcuts#keyboard#officeOperator vs Helm vs GitOps — Which to Use When
These three operational tools look similar but solve different problems. Helm is packaging, GitOps is declarative synchronization, and an Operator is an active controller. We dig into static deployment versus continuous
2026-06-15 · 19 min read #kubernetes#operator#helm#gitops#argocdOperator Security — Least-Privilege RBAC, Multi-Tenancy, Supply Chain
An Operator runs cluster-wide with powerful privileges, so a single compromise can endanger the whole cluster. This article covers Operator security end to end — generating least-privilege RBAC with markers, choosing Rol
2026-06-15 · 21 min read #kubernetes#operator#rbac#security#supply-chainOperator Observability — Metrics, Events, Logging, and SLOs
A deep dive into observability for Kubebuilder-based Operators across metrics, events, logging, tracing, status/conditions, and SLOs. From the meaning of controller-runtime default metrics to adding custom metrics, wirin
2026-06-15 · 19 min read #kubernetes#operator#observability#prometheus#controller-runtimeCRD Design and Versioning — Schema, Validation, and Conversion Webhooks
A CustomResourceDefinition is an API contract that outlives the code around it. This deep dive walks through OpenAPI v3 schema design and CEL validation, multi-version strategy and storage versions, conversion webhook im
2026-06-15 · 16 min read #kubernetes#operator#crd#versioning#conversion-webhookControllers Without CRDs — Patterns for Automating Existing Resources
Not every automation needs a CRD. A controller that watches built-in resources alone can automate internal operations like ConfigMap/Secret sync, namespace bootstrap, and node labeling. We cover code that implements this
2026-06-15 · 13 min read #kubernetes#controller#controller-runtime#automation#client-goOperator Testing and Distribution — envtest, e2e, OLM, and Bundle Packaging
A deep dive into testing and distributing Kubernetes Operators safely. Covers the test pyramid (unit reconcile, envtest, e2e), OLM concepts (CSV, bundle, catalog), upgrade graphs, least-privilege RBAC, multi-tenant insta
2026-06-15 · 15 min read #kubernetes#operator#testing#envtest#olmWhat You Can Build with Operators — A Real-World Catalog
A catalog of where Operators shine — databases, messaging, caching, monitoring, certificates, secrets, GitOps, backup, service mesh, and ML. For each case we cover how it works, a representative CRD example, a comparison
2026-06-15 · 12 min read #kubernetes#operator#crd#cncf#platform-engineeringAdvanced Operators — Finalizers, Admission Webhooks, and Status/Conditions Design
This post covers the three topics that move a Kubernetes Operator from a demo to production: cleaning up external resources with Finalizers, Validating and Mutating Admission Webhooks, and designing the Status subresourc
2026-06-15 · 14 min read #kubernetes#operator#finalizer#webhook#kubebuilderUnderstanding the Kubernetes Operator Pattern — Controllers, Reconciliation, and Codifying Operational Knowledge
A deep, operations-focused look at what the Operator pattern solves, how the control loop and reconciliation work, how CRDs and controllers combine, control plane extension mechanisms, Capability Levels, and when to use
2026-06-15 · 20 min read #kubernetes#operator#controller#reconcile#crdBuilding a Database Operator — Backup, Failover, and Scale as Code
A code-driven walkthrough of solving the hard parts of stateful database operations with a reconcile loop. We cover CR spec design, reconciling StatefulSet/Service/PVC, periodic backups, failover and leader-election conc
2026-06-15 · 14 min read #kubernetes#operator#database#kubebuilder#controller-runtimeProduction Operator Upgrades and Migration — Evolving Without Downtime
A complete walkthrough of safely upgrading an Operator in production. It covers rolling the controller Deployment with leader election, multi-version CRDs and conversion webhooks, phased rollout of managed workloads, rol
2026-06-15 · 22 min read #kubernetes#operator#kubebuilder#controller-runtime#crd