What is a Pod Disruption Budget (PDB) in Kubernetes?
A PDB prevents Kubernetes from evicting too many pods at once during maintenance. Here's how it works, how to set it up, and the one mistake that causes node drains to hang.
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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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Deploy Microsoft Phi-3 Mini on Kubernetes for Local AI Inference
Phi-3 Mini delivers GPT-3.5 quality at a fraction of the compute cost. Here's how to deploy it on Kubernetes using Ollama or vLLM with GPU or CPU-only nodes.
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DevOps Contract vs Full-Time: Which Pays More and Which is Better for Your Career?
Contract DevOps roles pay 40-70% more hourly but come with real trade-offs. Here's an honest breakdown to help you decide what's right for your situation.
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Fluentd vs Fluent Bit vs OpenTelemetry Collector — Which Log Forwarder Should You Use?
Three popular log forwarding agents, three very different use cases. Here's the practical comparison with memory usage, performance, and a clear recommendation for each scenario.
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Kubernetes Init Container Failing — How to Debug and Fix It
Init container errors block your main containers from starting. Here's how to find the root cause fast — OOMKilled, permission errors, missing secrets, and more.
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What is a Kubernetes Service? ClusterIP, NodePort, LoadBalancer Explained Simply
Pods can die and restart with new IPs. A Service gives them a stable address. Here's how ClusterIP, NodePort, and LoadBalancer actually work — with clear examples.
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Build an AI-Powered Terraform Drift Detection System
Terraform drift happens silently. Here's how to build an automated drift detector using Terraform plan + Claude API that alerts your team and explains exactly what changed.
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5 min readRead
AWS CloudFormation Stack Stuck in ROLLBACK_FAILED: Fix It Now
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.
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How to Nail Your DevOps Performance Review and Get That Promotion
Most DevOps engineers do great work but write weak performance reviews. Here's exactly what to document, how to frame your impact, and how to make the case for a promotion.
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5 min readRead