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Operations

132 posts tagged operations.

Oct 20, 2026

How to Set Up Grafana Loki on Kubernetes with Alloy (2026)

Step-by-step Grafana Loki 3.7 setup on Kubernetes: the new grafana-community Helm chart, deployment modes, S3 storage, Grafana Alloy replacing end-of-life Promtail, labels vs structured metadata, LogQL, retention, and fixes for 429 and too many outstanding requests.

12 min
Oct 20, 2026

How to Fix Kubernetes CrashLoopBackOff: Causes and Commands (2026)

Fix Kubernetes CrashLoopBackOff step by step: what the state means, the 10s to 5 minute backoff and the new per-node max in 1.35+, kubectl describe and logs --previous, exit codes 1, 127, 137 and 143, probe and OOM causes, and kubectl debug for crashing containers.

13 min
Oct 20, 2026

How to Fix 502 Bad Gateway and 504 Gateway Timeout Errors (2026)

Fix 502 Bad Gateway and 504 Gateway Timeout step by step: find which hop generated the error, read NGINX upstream errors, fix keepalive and idle timeout mismatches (ALB 60s, GCP 600s), Kubernetes readiness and rollout gaps, Gateway API timeouts and Cloudflare 520 to 526.

15 min
Oct 20, 2026

Distributed Tracing Explained: traceparent, Sampling and Jaeger v2 (2026)

Distributed tracing in 2026, explained by an infrastructure engineer: spans, W3C traceparent propagation, head vs tail sampling in the OpenTelemetry Collector, Jaeger v2 after v1's end of life, Grafana Tempo 3, Zipkin's status, trace-to-logs correlation and what traces cost.

12 min
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: Root Causes From 7 Postmortems

AWS us-east-1, Azure Front Door, Cloudflare and Google Cloud outages read from the official postmortems: root causes, durations and the 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

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 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