How to Ace the DevOps Technical Screening in 2026
The DevOps technical screening filters out 70% of candidates. Here's exactly what gets asked in phone screens and take-home tasks, and how to prepare in 2 weeks.
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May 2, 20265 min readRead
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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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Showing 91–99 of 371 articles
Page 11 of 42
What Are Taints and Tolerations in Kubernetes? (2026)
Taints and tolerations control which pods can run on which nodes. Here's how they work, why you need them, and real examples for GPU nodes, spot instances, and dedicated workloads.
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May 2, 20264 min readRead
Cloudflare vs AWS CloudFront — CDN Comparison for DevOps Engineers (2026)
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.
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May 1, 20264 min readRead
How to Find Clients as a Freelance DevOps Engineer in 2026
Freelance DevOps is one of the highest-paying freelance niches. Here's where to find clients, what to charge, and how to land your first project without a big network.
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May 1, 20265 min readRead
Kubernetes DNS Lookup Failing Inside Pods — Fix Guide (2026)
Pod can't resolve service names or external domains? DNS failures inside Kubernetes pods are caused by CoreDNS issues, ndots config, search domains, or network policies. Here's how to debug and fix each.
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May 1, 20264 min readRead
Set Up Ray Serve on Kubernetes for ML Model Inference (2026)
Ray Serve is the best way to serve ML models at scale on Kubernetes — handles batching, scaling, model composition, and GPU sharing. Complete setup guide.
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May 1, 20264 min readRead
What Is Docker Compose? A Beginner's Guide (2026)
Docker Compose lets you define and run multi-container applications with a single file. Here's what it does, how it works, and when to use it — explained simply.
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May 1, 20264 min readRead
How to Prepare for DevOps System Design Interviews (2026)
System design interviews for DevOps and SRE roles are different from software engineer interviews. Here's exactly what they test, how to structure your answer, and what to study.
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Apr 30, 20264 min readRead
Docker Build Taking Too Long — Cache and Speed Fixes (2026)
Docker builds taking 10+ minutes every time? Here's how to fix layer caching, use BuildKit properly, and cut build times by 80% with multi-stage builds and cache mounts.
D
Apr 30, 20263 min readRead