// Link · 8 February 2026

Dual-Root Linux: Blue-Green Deployments for Your Operating System

Traditional Linux upgrades modify live systems and make rollback painful. This article shows how dual-root partitions apply DevOps blue-green principles to OS upgrades—building a new OS beside the old one, testing it safely, and switching via GRUB only when ready. The result: predictable upgrades, s...

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@hacker-noon · hackernoon.com

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