10 DevOps Interview Questions You Will Definitely Get Asked (With Answers)
These 10 questions come up in almost every senior DevOps interview. Real answers that show depth — not textbook definitions.
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In-depth guides on Docker, Kubernetes, AWS, CI/CD, AI/ML, and modern infrastructure — written by engineers, for engineers.
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Page 42 of 91
Istio vs Linkerd vs Cilium — Service Mesh Comparison 2026
Choosing a service mesh for Kubernetes? Istio, Linkerd, and Cilium solve the same problem with very different approaches. Here's the honest comparison with real trade-offs.
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kubectl debug — How to Troubleshoot Pods That Won't Start
Your pod crashes immediately or has no shell. Here's how to use kubectl debug with ephemeral containers to inspect the container filesystem, processes, and environment without modifying the pod spec.
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vLLM Optimization — Batching, Quantization, and Throughput Tuning 2026
vLLM is the fastest LLM inference engine but out-of-the-box settings leave performance on the table. Here's how to tune batching, quantization, and memory to maximize throughput.
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What is a Kubernetes Network Policy — Explained Simply
By default, all pods in Kubernetes can talk to each other. Network Policies let you control exactly which pods can communicate. Here's how they work with practical examples.
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AWS RDS vs Aurora vs PlanetScale — Database for Kubernetes Apps 2026
Choosing a database for your Kubernetes application? AWS RDS, Aurora, and PlanetScale each have distinct strengths and cost profiles. Here's the practical comparison.
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Build an AI-Powered DevOps Chatbot with Streamlit on Kubernetes
Build a DevOps assistant chatbot that answers infrastructure questions, generates kubectl commands, and explains errors — deployed as a Streamlit app on Kubernetes.
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5 min readRead
Build LLM-Powered Runbook Automation with Haystack and Kubernetes
Turn your static runbooks into an AI system that answers 'what do I do when X happens' with step-by-step instructions retrieved from your actual documentation.
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4 min readRead
How to Build a 90-Day DevOps Learning Plan That Actually Works
Most DevOps learning plans fail because they're too theoretical. Here's a practical 90-day plan focused on building real projects and getting hands-on practice from day one.
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4 min readRead