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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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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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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4 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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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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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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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.
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3 min readRead
Kaniko vs BuildKit vs Docker — Container Image Build Tools Compared (2026)
Building Docker images in Kubernetes CI/CD? Kaniko, BuildKit, and Docker-in-Docker all do it differently. Here's which one to use and why.
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Set Up MLflow + Airflow MLOps Pipeline on Kubernetes (2026)
Build a production MLOps pipeline on Kubernetes using MLflow for experiment tracking and model registry, and Apache Airflow for pipeline orchestration. Full setup guide.
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What Is Pod Security Admission in Kubernetes? (2026)
Pod Security Admission replaced PodSecurityPolicy in Kubernetes 1.25. Here's what it does, how the three security levels work, and how to enforce it in your cluster.
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3 min readRead