How to Transition from DevOps Engineer to Platform Engineer
Platform engineering is the next evolution of DevOps. Here's what changes, what new skills you need, and a realistic roadmap to make the transition in 12 months.
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The DevOps Knowledge Base
In-depth guides on Docker, Kubernetes, AWS, CI/CD, AI/ML, and modern infrastructure — written by engineers, for engineers.
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Page 34 of 73
Helmfile vs Kustomize for Multi-Environment Kubernetes Deployments
Both Helmfile and Kustomize manage environment-specific Kubernetes configurations, but they take completely different approaches. Here's the practical comparison with real config examples.
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Set Up Qdrant Vector Database on Kubernetes for RAG Applications
Qdrant is the fastest open-source vector database for RAG pipelines. Here's how to deploy it on Kubernetes with persistent storage, set up collections, and connect it to LangChain or LlamaIndex.
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What is AWS IAM? Roles, Policies, Users, and Groups Explained Simply
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.
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ArgoCD Image Updater Not Syncing — Fix Guide
ArgoCD Image Updater detects a new image tag but doesn't update the Application. Here's how to diagnose and fix annotation errors, registry auth issues, write-back problems, and sync failures.
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Build an AI-Powered AWS Cost Anomaly Detector
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.
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Rancher vs OpenShift vs Lens — Kubernetes Management Platforms Compared (2026)
Three tools for managing Kubernetes clusters, but they're solving very different problems. Rancher manages multiple clusters, OpenShift is an enterprise K8s platform, Lens is a desktop UI. Full comparison.
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What DevOps Hiring Managers Actually Look For (Honest 2026 Guide)
After hundreds of DevOps interviews, here's what hiring managers actually care about — and why most candidates fail even when they know the tools.
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Rolling Update vs Recreate — Kubernetes Deployment Strategies Explained
Rolling update keeps your app running during deploys. Recreate kills everything then starts fresh. Here's when to use each, plus Blue-Green and Canary explained simply.
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