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kubectl cheatsheet — 40 commands every Kubernetes user needs
The kubectl commands you will actually use daily. Organized by task, with real examples and copy-paste ready.
Fix: AWS S3 upload works locally but fails from Lambda
S3 uploads succeed from your laptop but Lambda throws AccessDenied or times out. Here are the 5 real causes and the fix for each.
Fix: Ollama returns garbage output — 4 real causes
Ollama responds with repeated tokens, gibberish, or infinite whitespace. Here are the real causes and specific fixes for each.
Claude API vs OpenAI API for developers — 2026 practical comparison
Which LLM API to build with in 2026. Cost, latency, tool use, streaming, and honest recommendations by use case with current models and pricing.
Fix: kubectl exec fails with 'connection refused' — 5 real causes
kubectl exec into a pod returns 'error: dial tcp: connection refused'. Here are the real causes and the specific fix for each.
Astro vs Next.js for blogs in 2026 — honest comparison
Which framework wins for content-focused sites? Performance, SEO, DX, and cost compared for building blogs and marketing sites.
AWS Free Tier in 2026 — what actually stays free
The real breakdown of AWS Free Tier services after the July 2025 restructure. What still stays free forever, what changed, and how to avoid surprise bills.
Cloudflare Pages vs Vercel vs Netlify — free tier comparison 2026
Which platform gives the best free tier for static sites and small apps? Real bandwidth limits, build minutes, and hidden restrictions compared.
Cursor vs Windsurf vs Claude Code in 2026 — real comparison
Feature comparison, pricing, workflow fit, and honest recommendations for the three leading AI coding tools of 2026 — including the Windsurf-to-Devin-Desktop rename.
Deploy Astro to Vercel — complete walkthrough with custom domain
Step-by-step guide to deploy an Astro site to Vercel free tier, connect a custom domain, and set up auto-deploys on git push.
GitHub Codespaces — free 60 hours per month for cloud dev environments
How to use GitHub Codespaces free tier as a full VSCode-in-browser development environment. Setup, limits, and practical workflows.
Killercoda — Kubernetes in the browser, no install required
Free browser-based Kubernetes playgrounds for learning kubectl, testing YAML, and running commands without installing anything locally.
Local LLMs in 2026 — Llama vs Qwen vs Mistral vs DeepSeek compared
Which open-source LLM to run locally for coding, writing, reasoning in 2026. Current model families (Llama 4, Qwen 3.x, DeepSeek V4, Mistral Large 3), VRAM needs, and practical recommendations.
Running Ollama on 8GB VRAM — the honest setup guide
Which models actually fit in 8GB, quantization tricks, expected speeds, and how to avoid out-of-memory errors on modest hardware.
Remote DevOps jobs from India in 2026 — the honest guide
What actually works for landing a remote DevOps role from India. Realistic salary ranges, best platforms, timezone constraints, and portfolio requirements.
Kubernetes Pods stuck in Pending — 8 causes and exact fixes
Every reason a Pod stays in Pending status and the kubectl commands to diagnose each one. From resource limits to node selectors to PVC issues.
Docker vs Podman in 2026 — real differences that matter
Daemon vs daemonless, rootless containers, systemd integration, compose compatibility. Practical comparison for developers deciding between Docker and Podman.
Kubernetes Ingress on Windows minikube — common errors + fixes
ERR_CONNECTION_TIMED_OUT, ingress ADDRESS shows 127.0.0.1, hostname unreachable — the full troubleshooting guide for exposing an Ingress on Windows minikube.
Kubernetes RBAC in production — 15 real-world scenarios explained
Roles, ClusterRoles, RoleBindings, ServiceAccounts — from zero to production. 15 scenarios ranked easy to hard, with working YAML.
How to fix ImagePullBackOff in Kubernetes — 5 real causes
Every real reason ImagePullBackOff happens and the exact kubectl commands to diagnose + fix each one. No fluff.
Build a Helm chart from zero (without `helm create`)
Every file in a Helm chart, explained. Deploy your first real chart in 30 minutes without copy-pasting a boilerplate.
Tekton + ArgoCD — full Kubernetes CI/CD on minikube (from scratch)
Build the complete flow: git push → Tekton builds + pushes image → ArgoCD auto-deploys to cluster. No shortcuts, real webhooks.
Prometheus + Grafana explained (without the jargon)
What Prometheus actually is, why Grafana pairs with it, and how to install both on minikube in 10 minutes.
How to get a working domain without buying one (5 methods)
nip.io, sslip.io, hosts file, dnsmasq, Cloudflare Tunnel — every free way to have a working hostname for local dev.
'node' is not recognized on Windows — every real cause + fix
Fix Node.js not being found in PowerShell, VSCode terminal, or Command Prompt after installation. Every path that could break, explained.