Writing · page 24 of 28

Older posts.

Oct 20, 2026

How to Run Chaos Experiments on Kubernetes with Chaos Mesh (2026)

Step-by-step Chaos Mesh 2.8.5 guide: install with Helm on containerd, opt namespaces in, write PodChaos, NetworkChaos and StressChaos YAML, gate experiments on a Prometheus SLO, schedule them, and run the same test with a LitmusChaos promProbe, plus a troubleshooting table.

16 min
Oct 20, 2026

Chaos Engineering in 2026: Tools, AI Agents and What the Evidence Says

Chaos engineering in 2026: where Chaos Mesh 2.8.5, LitmusChaos 3.33, AWS FIS, Azure Chaos Studio Workspaces, Gremlin and Steadybit stand, how AI agents and MCP servers entered resilience testing, how to run game days, and how thin the evidence that it cuts incidents really is.

13 min
Oct 20, 2026

How to Set Up cert-manager with Let's Encrypt and Fix Errors (2026)

Install cert-manager v1.21 with Helm, create Let's Encrypt ClusterIssuers for HTTP-01 (Gateway API or Ingress) and DNS-01, then debug a Certificate stuck not ready by walking CertificateRequest, Order and Challenge, with rate limits, ARI and alerts.

14 min
Oct 20, 2026

How to Do Canary Deployments with Argo Rollouts 1.10 (2026)

Step-by-step Argo Rollouts canary guide for 2026: install v1.10.1 with Helm and the Gateway API plugin v0.17.0, write a Rollout with weighted steps, add a Prometheus AnalysisTemplate, watch automated rollback, and fix the common errors.

14 min
Oct 20, 2026

How to Build an MCP Server in Python and TypeScript (2026)

Build, test and ship an MCP server on the official SDKs: Python mcp 2.3.0 and TypeScript @modelcontextprotocol/server 2.3.1, with tools, resources, prompts, MCP Inspector, Claude Desktop, Claude Code and VS Code config, stateless HTTP, and packaging.

15 min
Oct 20, 2026

How to Build an AI Agent With Tool Calling in Python (2026)

Build an AI agent from scratch in Python with the Anthropic Messages API: tool schemas, an agent loop driven by stop_reason, tool errors with is_error, max iterations, token budgets, JSON logs, and a second provider through an OpenAI-compatible API.

19 min
Oct 20, 2026

How to Write a Blameless Postmortem: Template and Examples (2026)

A step-by-step guide to writing a blameless postmortem: when one is required, building the timeline from evidence, contributing factors instead of one root cause, why the 5 Whys misleads, owned action items, the review meeting, and a copy-paste markdown template.

15 min
Oct 20, 2026

How to Set Up Backstage as an Internal Developer Portal (2026)

Step-by-step Backstage 1.55 setup for 2026: create-app on Node 22 or 24, PostgreSQL, GitHub sign-in, catalog-info.yaml, software templates, TechDocs, a Kubernetes deploy with the official Helm chart, alternatives, and fixes for common errors.

14 min
Oct 20, 2026

How to Reduce AWS Lambda Cold Starts: Init Duration to SnapStart (2026)

Step-by-step guide to measuring and reducing AWS Lambda cold starts in 2026: read Init Duration, price the August 2025 INIT billing change, pick runtime and arm64, bundle and lazy-load, tune memory, enable SnapStart and provisioned concurrency, and fix common errors.

14 min
Oct 20, 2026

Argo CD Tutorial: Install and Set Up GitOps Step by Step

Install Argo CD 3.5 with Helm, structure a GitOps repo, bootstrap app-of-apps and ApplicationSets, add SSO and RBAC, and fix OutOfSync and Degraded apps.

14 min
Oct 20, 2026

AI Gateways in 2026: Six Options Compared After LiteLLM's 40-Minute Backdoor

What an AI gateway (LLM gateway) does in 2026 and how LiteLLM, Portkey, Kong, Cloudflare, Envoy AI Gateway (now Agent Router) and OpenRouter compare on routing, budgets, caching and guardrails, plus the LiteLLM PyPI backdoor, three LiteLLM CVEs on CISA KEV, and build vs buy.

13 min
Oct 20, 2026

Why AI Agents Fail in Production: 5 Real Incidents

What goes wrong when AI agents run in production: Replit, Kiro and PocketOS incidents, 14 failure modes from 1,642 traces, and the guardrails that stopped them.

12 min
Oct 20, 2026

AI Agent Frameworks Compared 2026: LangGraph vs CrewAI vs ADK

Ten AI agent frameworks compared: LangGraph, CrewAI, OpenAI Agents SDK, Claude Agent SDK, Google ADK and more, with versions, licences and how to pick one.

12 min
Oct 5, 2026

World Models in 2026: Genie 3 at 24 fps, Cosmos 3 at 64B, V-JEPA 2 Planning in 16 Seconds, and an $8.2B Exit to AMD

What a world model is in 2026 and what actually shipped: Genie 3 at 720p and 20 to 24 fps for a few minutes behind a $249.99 subscription, World Labs' Marble and Atlas and the $8.2 billion all-stock sale to AMD, NVIDIA Cosmos 3 at 64B, 16B and 4B under OpenMDW 1.1, V-JEPA 2 planning a robot action in 16 seconds against Cosmos's four minutes, LeCun's AMI Labs raising $1.03 billion at $3.5 billion, the Physics-IQ ceiling of 29.5 out of 100, what inference costs, and a V-JEPA 2 embedding script I ran on a laptop CPU.

14 min
Oct 5, 2026

Workflow Automation in 2026: n8n Published 196 Advisories in Nine Months, 59,558 Hosts Sat Exposed, and the Code Alternative Raised at $12.55B

The no-code automation tools became agent runtimes this year and the security record followed: n8n went from a EUR 250M valuation to a reported $5.2B while publishing 196 GitHub security advisories in 2026 (19 critical), a CVSS 10.0 unauthenticated flaw left 59,558 hosts exposed per Shadowserver, and CISA added one n8n and six Langflow CVEs to its exploited list. Zapier MCP counts 25 million tool calls, Copilot Studio bills 5 credits per agent action, Agentforce ARR passed $1.5B, and Temporal raised $550M at $12.55B with 4,300 paying customers. Plus a hardened n8n queue-mode compose file.

15 min