68 articles
Setting up Kubernetes? kubeadm, k3s, and EKS are the three most common paths — each with very different tradeoffs in control, complexity, cost, and operational burden. Here's how to pick the right one.
Three tools that automate deployments, but they're built for very different contexts. CodeDeploy is for AWS workloads, ArgoCD is for Kubernetes GitOps, Spinnaker is for multi-cloud enterprise pipelines.
CodeBuild exits with status 1, times out mid-build, or fails with cryptic phase errors. Here's how to diagnose DOWNLOAD_SOURCE, BUILD, and POST_BUILD failures with specific fixes.
IAM is how AWS decides who can do what. Here's a plain-English explanation of users, groups, roles, and policies — with real examples of how they're used together.
AWS Cost Anomaly Detection catches spikes but gives no context. Build a system that detects anomalies, uses Claude to explain what caused them, and posts actionable Slack alerts with a fix recommendation.
SNS, SQS, and EventBridge all move messages around AWS, but they solve different problems. Here's a clear explanation of each with real use cases and the decision criteria that actually matters.
CloudFormation stack stuck in ROLLBACK_FAILED or UPDATE_ROLLBACK_FAILED state? Here's every cause and the exact steps to recover without losing your resources.
NVIDIA NIM containers give you production-grade LLM inference with 3x better throughput than vanilla vLLM. Here's how to deploy NIM on Kubernetes with GPU nodes.
Should you run your workload on Lambda, ECS/containers, or Kubernetes? Here's the honest comparison with real-world guidance on when each makes sense.
Google's Gemma 3 is open-weight and runs well on a single GPU. Here's how to deploy it on Kubernetes using vLLM, expose it as an OpenAI-compatible API, and use it in your DevOps workflows.
RDS, Aurora, and DynamoDB are AWS's three main database services. Here's when to use each one — honest comparison of performance, cost, and use cases.
All three are full-stack observability platforms used by enterprises. Here's the honest comparison — pricing, strengths, AI features, and which one to choose.
AWS CodePipeline and GitHub Actions both automate deployments. But they have very different strengths. Here's an honest comparison with real examples.
Cloudflare and CloudFront both serve as CDN and DDoS protection, but they work differently and cost differently. Here's when to use each — and when to use both.
Lambda function hitting the 15-minute limit or timing out before that? Here's how to find what's slow, increase timeout properly, and redesign for async patterns.
RDS instance hits 100% storage and your database goes read-only. Here's the immediate fix, how to prevent it with autoscaling, how to monitor free storage, and what's eating your disk.
MongoDB and PostgreSQL take opposite approaches to data storage. Here's the real ops difference — backup strategies, Kubernetes operators, replication, monitoring, and when to recommend each to your dev team.
Redis and Memcached both cache data in memory — but they're very different tools. Honest comparison of data structures, persistence, clustering, Kubernetes operators, and which to pick for your use case.
Your browser shows 'Access to fetch blocked by CORS policy' when loading from S3 or CloudFront. Here's every cause — missing CORS config, wrong AllowedOrigins, preflight failures — and the exact fix.
PostgreSQL and MySQL are the two most common databases you'll manage as a DevOps engineer. Here's the real difference in performance, replication, backup, Kubernetes operators, and which to recommend to your dev team.
CloudFront returns 403 Forbidden but your S3 bucket or origin looks fine. Here's every cause — OAC misconfiguration, bucket policy missing, wrong origin domain, geo-restriction — and the exact fix.
Run Stable Diffusion (SDXL + AUTOMATIC1111) on Kubernetes with GPU node pools, autoscaling, and an API endpoint. Step-by-step guide with EKS GPU nodes, persistent model storage, and Ingress setup.
docker push to ECR fails with 'Access Denied' or 'no basic auth credentials'. Here's every cause — expired token, wrong region, missing IAM permissions, ECR URI mismatch — and the exact fix for each.
DevOps Engineer and Cloud Engineer job titles are everywhere. But what do they actually mean? Here's the real difference in skills, responsibilities, salaries, and which career path to choose in 2026.
EKS worker nodes stuck in NotReady or not appearing at all? Here are all the causes and step-by-step fixes for node bootstrap failures.
Step-by-step guide to running NVIDIA Triton Inference Server on Kubernetes with GPU nodes — model repository setup, deployment, autoscaling, and monitoring.
Complete AWS SAA-C03 exam prep guide — what domains to focus on, best resources, study plan, and tips to clear it in 6 weeks.
Step-by-step guide to installing KubeFlow on Kubernetes and building your first ML pipeline — from cluster setup to a working training + serving workflow.
Velero vs Kasten K10 head-to-head — features, ease of setup, cost, and which one to choose for Kubernetes backup and disaster recovery in 2026.
Step-by-step guide to deploying HuggingFace transformer models on Kubernetes using GPU nodes — from cluster setup to inference API in production.
EKS pods can't connect to RDS? Fix RDS connection timeouts from Kubernetes — covers security groups, VPC peering, subnet routing, and IAM auth issues.
Terraform vs AWS CDK vs CloudFormation — a practical comparison for DevOps engineers. When to use each, real trade-offs, and which one to learn first.
Build a tool that converts plain English infrastructure descriptions into valid Terraform code using Claude AI — with validation, state awareness, and GitOps integration.
Build an AI-powered bot that analyzes your Kubernetes cluster, finds idle resources, oversized pods, and unused namespaces — and gives cost-cutting recommendations.
Build a DevOps AI agent that can actually run kubectl, check AWS costs, read logs, and create GitHub issues — using LangChain tool calling and Claude API.
Pods stuck in Pending on EKS Fargate? Here are the 8 most common reasons Fargate pods won't schedule and exactly how to fix each one.
MLflow tracks your ML experiments, models, and metrics. Here's how to deploy a production MLflow tracking server on Kubernetes with PostgreSQL and S3 artifact storage.
Where you store your Docker images matters for cost, security, and CI/CD speed. Here's a detailed comparison of GHCR, Docker Hub, and AWS ECR to help you pick the right one.
vLLM is the fastest open-source LLM inference engine. Here's how to deploy it on Kubernetes with GPU nodes, expose an OpenAI-compatible API, and scale it.
Ollama makes running LLMs locally easy. Running it on Kubernetes makes it scalable, persistent, and accessible to your whole team or application stack. Here's the complete setup — CPU and GPU, with persistent model storage and a production-ready deployment.
Your ALB returns 504 Gateway Timeout but the app seems fine. Here's every reason this happens — backend timeouts, keepalive mismatches, health check failures — and exactly how to fix each one.
Stop duplicating Terraform code for dev, staging, and prod. Use Terraform workspaces to manage multiple environments from one codebase. Step-by-step guide with real AWS examples.
Getting AccessDenied when Terraform tries to read or write your S3 backend? Here's every cause and the exact fix.
Load balancers are everywhere in DevOps — but most beginners don't fully understand how they work. Here's a clear, simple explanation with real examples.
Your ECS task starts and then immediately stops or keeps restarting. Here's every reason this happens and how to debug and fix it.
Step-by-step guide to building a production CI/CD pipeline that builds, scans, and pushes Docker images to AWS ECR using GitHub Actions.
EKS, ECS, Fargate — AWS has three ways to run containers. They overlap, but the right choice depends on your workload. Here's how to decide.
What is a container registry, why do you need one, and which one should you use? Docker Hub vs ECR vs GCR vs GitHub Container Registry — simply explained.
Getting 'Access Denied' or 'is not authorized to perform' errors in AWS? Here's how to diagnose and fix every IAM permission issue — EC2, EKS, Lambda, S3, and CLI.
Comparing the top three secrets management solutions for Kubernetes and cloud environments in 2026. Pricing, features, complexity, and when to pick each.
Honest comparison of EKS, GKE, and AKS in 2026: pricing, developer experience, networking, autoscaling, and which one to pick for your use case.
Full project walkthrough: provision a production-grade AWS VPC, EKS cluster, RDS, S3, and IAM with Terraform. Real code, real architecture, ready to use.
A full project walkthrough — from a simple app to a production-grade GitOps pipeline with automated builds, image scanning, and deployments to AWS EKS using ArgoCD.
Karpenter replaces Cluster Autoscaler with faster, more cost-efficient node provisioning. Learn architecture, NodePools, disruption budgets, Spot integration, and production best practices.
Fix AWS Application Load Balancer unhealthy targets. Covers health check misconfigurations, security group issues, target group problems, and EKS-specific ALB controller debugging.
Cloud vendors are raising prices due to AI infrastructure costs. Here's a practical FinOps guide with specific strategies to cut your cloud bill by 30-50% in 2026.
Step-by-step guide to getting started with Pulumi — write infrastructure in TypeScript, Python, or Go instead of HCL. Covers setup, first deployment, state management, and CI/CD integration.
AWS CloudWatch is the central monitoring service for everything running on AWS. This guide covers metrics, logs, alarms, dashboards, Container Insights, and production best practices.
Pods stuck in Pending on EKS are caused by a handful of known issues — insufficient node capacity, taint mismatches, PVC problems, and more. Here's how to diagnose and fix each one.
Understand AWS VPC from the ground up — subnets, route tables, security groups, NACLs, VPC peering, Transit Gateway, and real-world architectures for production workloads.
Terraform state lock errors can block your entire team. Learn why they happen, how to safely unlock state, and how to prevent lock conflicts for good.
Storing Terraform state locally breaks team workflows and risks data loss. This guide shows you exactly how to configure remote state with S3 and DynamoDB locking — the production standard setup.
Cloud costs are out of control at most companies. FinOps is the discipline that fixes it — and DevOps engineers are the most important people in any FinOps implementation. Here is everything you need to know.
A comprehensive guide to the essential DevOps tools for containers, CI/CD, infrastructure, monitoring, and security — curated for practicing engineers.
An honest comparison of Terraform and Pulumi for Infrastructure as Code. Learn the real trade-offs, when to use each, and which one the industry is moving toward in 2026.
Complete salary breakdown for DevOps Engineers in 2026. What you earn in India vs USA, which skills pay the most, and how to negotiate a higher package.
Running Kubernetes in production can get expensive fast. Here are 10 battle-tested strategies to cut your K8s cloud bill by 40–70% without sacrificing reliability.
A complete guide to AWS DevOps services — CI/CD pipelines, container orchestration, infrastructure as code, monitoring, and security best practices.