https://ranjib.github.io/Recent writing from Ranjib Dey on reliable systems, production infrastructure, agentic AI, open-source making, field systems, and learning.Hugoen-usCopyright © Ranjib Deyranjib@linux.com (Ranjib Dey)ranjib@linux.com (Ranjib Dey)Sun, 30 Aug 2026 00:00:00 -0700https://ranjib.github.io/posts/model-routing-is-an-engineering-decision/Sun, 30 Aug 2026 00:00:00 -0700https://ranjib.github.io/posts/model-routing-is-an-engineering-decision/Model routing is built from workload-specific, harness-aware benchmarking, kept fresh by periodic re-benchmarking and a standing research feed.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/gardening-with-an-operations-mindset/Thu, 13 Aug 2026 00:00:00 -0700https://ranjib.github.io/posts/gardening-with-an-operations-mindset/A systems view of gardening: zones, seasonal work, water budgets, source hierarchy, monitoring, and feedback loops.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/context-engineering-evaluation-and-infrastructure-testing-lessons/Tue, 11 Aug 2026 00:00:00 -0700https://ranjib.github.io/posts/context-engineering-evaluation-and-infrastructure-testing-lessons/Why agent evals echo infrastructure testing: make hidden assumptions explicit, test behavior by layer, and keep context from drifting.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/planning-overlanding-trips-like-reliability-reviews/Sun, 02 Aug 2026 00:00:00 -0700https://ranjib.github.io/posts/planning-overlanding-trips-like-reliability-reviews/Applying reliability review habits to overlanding: route risk, changing conditions, margins, bailout plans, and final go/no-go checks.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/my-personal-llm-wiki-operating-model/Sun, 26 Jul 2026 00:00:00 -0700https://ranjib.github.io/posts/my-personal-llm-wiki-operating-model/A practical operating model for turning raw notes into reviewed wiki pages, context packs, and evaluated agent memory.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/reliability-and-incident-taxonomy/Sat, 18 Jul 2026 00:00:00 -0700https://ranjib.github.io/posts/reliability-and-incident-taxonomy/Incident taxonomies turn production stories into engineering signal, shared vocabulary, and better reliability investment decisions.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/reef-pi-as-a-small-open-source-platform/Fri, 10 Jul 2026 00:00:00 -0700https://ranjib.github.io/posts/reef-pi-as-a-small-open-source-platform/How reef-pi grew a durable hardware abstraction boundary from real bug reports, hardware pressure, and long-lived maintenance needs.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/through-line-from-chef-to-agentic-ai/Sun, 05 Jul 2026 00:00:00 -0700https://ranjib.github.io/posts/through-line-from-chef-to-agentic-ai/From Chef and infrastructure-as-code to agentic AI, the recurring lesson is to make operational intent explicit and testable.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/treating-context-like-code/Sun, 28 Jun 2026 00:00:00 -0700https://ranjib.github.io/posts/treating-context-like-code/Prompts, project instructions, context packs, and memory can change agent behavior, so durable context needs engineering discipline.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/reef-pi-public-engineering-lessons/Sun, 31 May 2026 00:00:00 -0700https://ranjib.github.io/posts/reef-pi-public-engineering-lessons/What reef-pi shows about public engineering systems: modules, hardware abstraction, documentation, community, and long maintenance.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/platform-engineering-through-automation/Sun, 31 May 2026 00:00:00 -0700https://ranjib.github.io/posts/platform-engineering-through-automation/A public-career thread through Chef, infrastructure testing, service discovery, production engineering, and ML-assisted operations.ranjib@linux.com (Ranjib Dey)https://ranjib.github.io/posts/about/Sun, 31 May 2026 00:00:00 -0700https://ranjib.github.io/posts/about/A short explanation of this site's public-safe publishing workflow, professional archive, and systems-oriented writing surface.ranjib@linux.com (Ranjib Dey)