Kubernetes Guides & Resources
Deep technical guides, practitioner tutorials, and decision-maker frameworks from the KubernetesGuru team.

Cast AI Alternatives 2026: 7 Tools Picked by What You're Missing
The 7 best Cast AI alternatives in 2026: ScaleOps for pod rightsizing, Amnic for agentless posture, Kubecost for FinOps …

ScaleOps vs StormForge (2026): Which Rightsizing Tool Wins
ScaleOps vs StormForge: ScaleOps is autonomous continuous pod rightsizing; StormForge (F5) is ML-based recommendations …

Cast AI vs Karpenter (2026): Do You Need the Paid Platform?
Cast AI vs Karpenter: Karpenter covers nodes and spot free on AWS; Cast AI adds multi-cloud automation, cost visibility, …

Cast AI vs Kubecost (2026): Optimization or Visibility First?
Cast AI vs Kubecost: Cast AI acts on your cluster - bin-packing, spot, autoscaling. Kubecost shows who spends what. Most …

Backstage vs OpsLevel (2026): Build a Portal or Buy Scorecards
Backstage vs OpsLevel: Backstage is the open-source portal framework you build on; OpsLevel is the commercial catalog …

Backstage vs Cortex (2026): Portal or Scorecards First?
Backstage vs Cortex: Backstage is the open-source portal framework; Cortex adds commercial scorecards on top. Which to …

Backstage vs Port (2026): Build or Buy Your Developer Portal
Backstage vs Port: Backstage suits teams with 3+ platform FTEs and unique needs; Port ships a portal in 2-4 weeks. …

Managed Kubernetes vs Self-Managed: Which to Choose (2026)
EKS, AKS, and GKE vs self-managed Kubernetes compared on cost, control, ops burden, and upgrade complexity - with a …

Best Kubernetes GPU Cost Optimization Tools 2026
Kubernetes GPU cost optimization tools 2026, ranked: stack Karpenter, MIG/time-slicing, KEDA, and ScaleOps to cut idle …

Kubernetes In-Place Pod Resize (1.35 GA): Build Your Own ScaleOps in a Weekend
Kubernetes 1.35 shipped in-place pod resize as GA. Here is how kubelet rewrites cgroup values on running pods, what …

Best Internal Developer Platform Tools 2026: Backstage vs Port vs Cortex vs OpsLevel
Backstage, Port, Cortex, OpsLevel, Humanitec + 3 more IDP tools compared - portal depth, pricing, scorecards, and a …

AI/ML on Kubernetes 2026: Production Stack Guide (vLLM, Kueue, KServe, Ray)
The production AI/ML stack on Kubernetes for 2026 - vLLM, Kueue, KServe, Ray, KAITO, llm-d. Architecture patterns and …

Best Kubernetes Cost Optimization Tools 2026: Cast AI vs ScaleOps vs StormForge vs Kubecost
8 Kubernetes cost optimization tools compared - Cast AI, ScaleOps, StormForge, Kubecost, OpenCost, Karpenter. Verdicts …

The Kubernetes Maturity Model: Where Does Your Team Stand?
Kubernetes maturity model: 5 levels from ad hoc to optimizing. Assess your team, identify capability gaps, and plan your …

7 Signs Your Team Needs a Kubernetes Consultant Now
7 clear signs you need to hire a Kubernetes consultant: runaway costs, production incidents, blocked features, missing …

Measuring Kubernetes ROI: A Framework for Platform Engineering Teams
Kubernetes ROI framework: DORA metrics, cost per deployment, developer toil reduction, infrastructure savings, and how …

How to Evaluate a Kubernetes Consultant: 15 Questions to Ask
How to evaluate a Kubernetes consultant: 15 technical and process questions, red flags to watch for, green flags to …

Build vs Buy Kubernetes: When to Self-Manage vs Use Managed K8s
Build vs buy Kubernetes decision guide: compare self-managed kubeadm, k3s, and Talos vs managed EKS, GKE, and AKS with …

Kubernetes Total Cost of Ownership: The Full Picture for 2026
Kubernetes total cost of ownership explained: direct costs, hidden fees, EKS vs GKE vs AKS pricing, 3-year TCO model, …

Kubernetes Liveness, Readiness, and Startup Probes - Complete Guide
Kubernetes liveness, readiness, and startup probes explained: probe types, timing config, common misconfigurations, gRPC …

Running LLMs on Kubernetes with vLLM - GPU Setup and Autoscaling
Deploy LLMs on Kubernetes with vLLM: GPU node setup, NVIDIA device plugin, KEDA autoscaling, multi-model serving, and …

Multi-Cluster Kubernetes: Patterns, Tools, and When to Use Them
Multi-cluster Kubernetes patterns explained: when to use them, Cluster API, ArgoCD ApplicationSets, Cilium ClusterMesh, …

Kubernetes Node Sizing: Right-Size Your Cluster and Cut Costs
Kubernetes node sizing guide: CPU and memory requests vs limits, LimitRange, ResourceQuota, VPA Recommender, and spot …

Kubernetes Security Hardening: CIS Benchmark Implementation Guide
Kubernetes security hardening guide: CIS Benchmark v1.8 controls, kube-bench, OPA Gatekeeper, Pod Security Standards, …

GitOps with ArgoCD on Kubernetes - Setup Guide and Best Practices
Complete GitOps and ArgoCD setup guide: App of Apps pattern, ApplicationSets for multi-cluster, sync policies, health …

Kubernetes RBAC Best Practices - Secure Your Cluster Access
Kubernetes RBAC best practices: least privilege, Role vs ClusterRole, service account hardening, kubectl auth auditing, …

Kubernetes Cost Optimization: The Complete Guide to Cutting K8s Bills
Practical Kubernetes cost optimization strategies: right-sizing with VPA, spot nodes, ResourceQuota, Kubecost, and how …

The Complete kubectl Cheatsheet 2026 - Every Command You Need
The definitive kubectl cheatsheet for 2026: every command for pods, deployments, services, RBAC, debugging, and cluster …