Automate Cloudflare DNS Failover with Ansible During Incidents
Cloudflare DNS failover with Ansible can cut your RTO from 25 minutes to under 15 seconds — if you build it right. Here's the architecture that actually works.
Prompt Engineering Patterns for SRE Playbooks and Postmortems
Learn reusable prompt engineering patterns for SRE playbooks, postmortem synthesis, and runbook validation using GPT-4o and Python.
Git alias trick: one-liner to undo last commit but keep changes
Accidentally committed too early? This quick Git alias saves you from the frustration of retyping staged changes every time you need to roll back safely.
kubectl shell alias for listing pods across all namespaces sorted by creation time
A single shell alias replaces the full kubectl get pods command you type dozens of times a day. This tutorial walks through defining it, loading it correctly, and extending it into a function when you need dynamic namespace filtering.
Scoped kubectl Aliases for Repetitive Multi-Flag Commands
A single well-placed alias eliminates the daily friction of retyping long kubectl commands with fixed contexts and namespaces. This tutorial covers global alias setup, per-project scoping with direnv, and safe verification practices.
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