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Operations

53 posts tagged operations.

Oct 20, 2026

DevOps Roadmap 2026: Skills, Certifications and What AI Changed

A DevOps roadmap for 2026 built on current data: Indeed's senior-heavy rebound in software postings, Stack Overflow 2025 and 2026 survey results on AI and pay, CKA and CNPA exam facts, and a learning path from Linux to platform engineering.

13 min
Oct 20, 2026

Continuous Profiling in 2026: OTel Profiles Alpha, eBPF Agents, Real Costs

Continuous profiling in 2026 explained: OpenTelemetry Profiles reached public alpha in March, the Elastic-donated eBPF profiler now ships as a Collector, Pyroscope 2.0 and Parca compared, the real overhead numbers, and how profiles turn into cloud savings.

13 min
Oct 20, 2026

Cloud Outages 2025-2026: What 7 Official Postmortems Actually Teach

The AWS us-east-1 DynamoDB DNS outage, Azure Front Door, two Cloudflare global failures, Google Cloud Service Control and two 2026 incidents, read from the official postmortems: root causes, durations, and the static stability, cell and dependency-mapping fixes that follow.

14 min
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 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

AI Agent Failures in Production: 5 Incidents, 14 Failure Modes (2026)

What actually goes wrong when AI agents run in production: the Replit, Amazon Kiro, PocketOS and PromptPwnd incidents, the MAST taxonomy of 14 failure modes from 1,642 traces, cost loops, permission mistakes, and the guardrails that stopped them.

12 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
Oct 5, 2026

Observability in 2026: OpenTelemetry Graduated, the Collector Is Still v0.162, eBPF Instrumentation Is v0.14, and Datadog Bills $1.12B a Quarter

The non-AI state of observability in 2026 from primary sources: OpenTelemetry graduated from CNCF in May with 12,000 contributors from 2,800 companies, yet the Collector distribution is v0.162.0 with mixed component stability, profiles are alpha, messaging conventions are still Development and OBI, the donated Beyla, is v0.14.0. Datadog grew 36 percent to $1.12B in Q2, cost is the top concern for 31 percent of 1,363 surveyed engineers, and the levers that move the bill (tail sampling, OTTL filtering, cardinality limits, columnar storage, Arrow transport) live in the pipeline you run yourself.

13 min
Oct 5, 2026

MLOps in 2026: Evals Are the New Unit Tests, Judges Agree With Experts 66% of the Time, and OpenAI's Evals API Shuts Down on 30 November

The 2026 state of MLOps, checked against primary sources: OpenAI is closing its Evals API (read-only 31 October, off 30 November) and winding down fine-tuning while buying Promptfoo; Langfuse went to ClickHouse and W&B to CoreWeave; GDPval's model grader agrees with experts 66% of the time against 71% for humans; ARC-AGI-3 went from 0.51% to 99.9% in five months; Terminal-Bench retires a task when every frontier model solves it 5 of 5 times; MLflow 3.16, Kubeflow 26.03, Feast 0.66, lakeFS under BSL, and a pytest gate on a Wilson lower bound that I actually ran.

14 min
Oct 5, 2026

FinOps for AI in 2026: 98% Manage Token Spend, 3 in 4 Can't Prove the Value, GPUs Run at 5%, and FOCUS Gets a Token Column in 1.5

The AI cost ledger as of October 2026: State of FinOps 2026 (1,192 practitioners, 98 percent manage AI spend, up from 31 percent in 2024), the Tokenomics Foundation finding that three in four enterprises cannot prove AI outcomes to the CFO, a per-million-token price table for Anthropic, OpenAI, Google and DeepSeek with cache and batch multipliers, a 20-step agent loop at $1.58 uncached and $0.42 cached, the FOCUS 1.2 to 1.5 roadmap and who exports which version, LiteLLM and Cloudflare budgets, Cast AI's 5 percent GPU utilisation, and $0.0037 of model cost inside a $0.99 resolution.

13 min
Oct 5, 2026

CRA Reporting Went Live on 11 September: 24 Hours to ENISA, 3.08 Billion Rekor Entries, 17% of PyPI Attested, 92% SBOM False Positives

Supply-chain compliance in 2026: what the Cyber Resilience Act's Article 14 duty requires since 11 September 2026 (24-hour early warning, 72-hour notification, ENISA's Single Reporting Platform), what waits until 11 December 2027, how the open-source steward role works, where SBOMs stand (CISA's 2026 minimum elements, CycloneDX 1.7, a 92 percent false-positive rate in a 2,414-repo study), how far provenance has got (SLSA 1.2, 20 percent of PyPI uploads via trusted publishing, Rekor at 3.08 billion entries), the US retreat from mandates, and the pipeline I would run.

13 min
Oct 5, 2026

DevOps Still Matters in 2026: AI Cut Delivery Stability 7.2%, Then Doubled Merged PRs and Added 91% to Review Time

Why DevOps is the big thing of the agent era: DORA 2024 found a 25% rise in AI adoption cost 1.5% throughput and 7.2% stability, DORA 2025 saw throughput turn positive while instability stayed up across nearly 5,000 respondents, and DORA's 2026 ROI model budgets a 15% three-month dip and a change failure rate rising from 5% to 6%; GitHub merged 518.7M PRs (+29%) and over 1M agent PRs in five months, Faros telemetry on 10,000 developers shows 98% more PRs and 91% longer reviews, METR found experienced developers 19% slower, and the Replit postmortem's fixes are 2015 DevOps controls.

13 min