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Lesson 4/9 An AI agent repairs a failed Ubuntu upgrade

Name: An AI agent repairs a failed Ubuntu upgrade
Uploaded: 2026-08-20
Description: Fix a stalled production Ubuntu upgrade by handing the diagnosis to an AI agent: force IPv4, then resume the update.

An Ubuntu 24.04 to 26.04 upgrade freezes halfway through, on a production server. An AI agent connected to the machine works out what went wrong, suggests forcing the IPv4 preference, cleans up and lets the upgrade restart. A real repair, from beginning to end.