Observability vs Monitoring: What's the Difference in 2026?
Observability vs monitoring explained for 2026: the SRE-book definition of monitoring, where observability came from, three pillars vs wide events, what OpenTelemetry does, and what Grafana's 2026 survey of 1,363 teams says about cost and tools.
13 minOct 20, 2026How to Build Multi-Region Failover with Route 53 and Cloud DNS (2026)
Step-by-step multi-region failover: active-passive vs active-active, Route 53 health checks and failover records in Terraform, ARC routing controls, Cloud DNS failover policies, Aurora Global Database and Spanner, failover testing, and fixes for DNS TTL and caching problems.
16 minOct 20, 2026How to Use MLflow 3: Tracking, Model Registry and GenAI Tracing (2026)
Step-by-step MLflow 3.17 guide: run a tracking server on PostgreSQL and S3, log runs and LoggedModels, register models with aliases instead of stages, trace and evaluate a GenAI app with mlflow.genai, serve the champion model, and fix the errors you will actually hit.
12 minOct 20, 2026How to Migrate From ingress-nginx to Gateway API: Step-by-Step (2026)
A tested, step-by-step ingress-nginx to Gateway API migration: inventory annotations, install Gateway API v1.6.3 and Envoy Gateway v1.9.2, convert with ingress2gateway v1.2.0, handle TLS, rewrites and canaries, read route status conditions, cut over with DNS and roll back.
13 minOct 20, 2026AI-Generated Terraform in 2026: Benchmarks, Failure Modes, Guardrails
Can you trust an LLM to write Terraform, Kubernetes YAML or Helm? What IaC-Eval, DPIaC-Eval and three 2025 to 2026 papers measured (19% to 30% first-try success, 8.4% policy compliance), the failure modes they found, and the plan, policy and review gates that make AI-written IaC safe.
12 minOct 20, 2026How to Run LLM Evals in CI with GitHub Actions (promptfoo, 2026)
Step-by-step: gate prompt and model changes with LLM evals in GitHub Actions using promptfoo 0.124 or DeepEval 4.3, with deterministic and LLM-as-judge assertions, pass-rate thresholds, caching, cost limits, PR comments and fixes for flaky evals.
14 minOct 20, 2026How to Fix ImagePullBackOff and ErrImagePull in Kubernetes (2026)
Fix Kubernetes ImagePullBackOff and ErrImagePull step by step: read the real event message, then fix wrong tags, moved Bitnami images, imagePullSecrets, ECR and Artifact Registry node permissions, Docker Hub 429 rate limits and arm64/amd64 mismatches.
13 minOct 20, 2026Is Kubernetes Still Worth It in 2026? v1.37, 82% in Production, Real Costs
Is Kubernetes worth it in 2026? What v1.34 to v1.37 shipped, what the CNCF survey's 82% production figure means, what EKS Auto Mode, GKE Autopilot and AKS Automatic cost, when ECS, Cloud Run, Nomad or Fly fit better, and a decision framework for small teams.
12 minOct 20, 2026Ingress NGINX Is Retired: What Replaces It and How to Choose in 2026
Ingress NGINX stopped receiving fixes in March 2026 after seven CVEs in its final seven weeks. What retirement means, why IngressNightmare mattered, where Gateway API stands at v1.6, and how to pick between Envoy Gateway, Cilium, Istio, NGINX Gateway Fabric, Traefik and kgateway.
13 minOct 20, 2026Incident Management in 2026: Opsgenie Ends April 2027, AI SREs Arrive
Incident management in 2026: Opsgenie shuts down on 5 April 2027, FireHydrant now belongs to Freshworks, Grafana OnCall OSS is archived, PagerDuty and incident.io sell AI SRE agents, and the on-call data says learning from incidents is still the weak link.
13 minOct 20, 2026How 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 minOct 20, 2026Argo CD vs Flux in 2026: GitOps After Argo CD 3.5 and Flux 2.9
Argo CD vs Flux in 2026: what changed in Argo CD 3.0 to 3.5 and Flux 2.6 to 2.9, who maintains Flux after Weaveworks, what the CNCF surveys say about adoption, how each handles multi-cluster and secrets, and where GitOps costs more than it saves.
13 minOct 20, 2026How to Speed Up GitHub Actions CI: Caching, Sharding, Docker (2026)
A step-by-step guide to faster GitHub Actions in 2026: measure job timings, cancel stale runs, use setup-node, setup-python and setup-go caching, actions/cache v6, buildx type=gha layer caching, matrix test sharding and larger runners, plus a cache-miss troubleshooting table.
13 minOct 20, 2026GitHub Actions Security in 2026: 76 Hijacked Tags and the Fixes That Work
GitHub Actions security in 2026: what tj-actions, trivy-action, TanStack and issues-helper taught us about mutable tags and pull_request_target, plus SHA pinning policy, workflow lockfiles, immutable releases, attestations, zizmor and the new runner prices.
13 minOct 20, 2026How to Use GitHub Actions OIDC With AWS, GCP and Azure (2026)
Step-by-step GitHub Actions OIDC setup for AWS, Google Cloud and Azure with no stored secrets: trust policies pinned to sub claims, immutable subjects, environments, pinned actions, and fixes for sts:AssumeRoleWithWebIdentity, audience and AADSTS700213 errors.
14 min