Prometheus Alerts Not Firing: Every Cause and Fix
Your Prometheus alert should have fired 30 minutes ago but nothing happened. Here's every reason alerts silently fail — routing, inhibition, receivers, and rule syntax.
In-depth guides on Docker, Kubernetes, AWS, CI/CD, AI/ML, and modern infrastructure — written by engineers, for engineers.
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Your Prometheus alert should have fired 30 minutes ago but nothing happened. Here's every reason alerts silently fail — routing, inhibition, receivers, and rule syntax.
gRPC is replacing REST in microservices — but what is it and why should DevOps engineers care? Here's a plain-English explanation with Kubernetes examples.
Model Context Protocol (MCP) lets AI assistants like Claude control kubectl, Terraform, and AWS CLI directly. Here's how to build your own MCP server for DevOps automation.
No experience, no job. Here's exactly how freshers land DevOps internships in 2026 — what to build, where to apply, and what to say in interviews.
Kafka, RabbitMQ, or Redis Streams? Full comparison on throughput, ordering, durability, and when to use each. Clear recommendation for DevOps and backend teams.
StatefulSet pods stuck in Init, Pending, or CrashLoopBackOff state? Here are every cause and the exact fix — PVC ordering, headless service, and init container issues.
Kustomize lets you customize Kubernetes YAML without copying and editing files. Here's what it is, how it works, and when to use it instead of Helm.
Tired of grepping through runbooks? Build a semantic search that finds relevant docs by meaning, not keywords — using embeddings, pgvector, and the Claude API.
Datadog and Splunk are both enterprise observability platforms but serve different strengths. Here's the honest comparison — pricing, use cases, and which one to choose.