Doing mass Puppet Enterprise upgrades in highly restricted environments (cmc2025)

How do you upgrade 3000 individual PE environments? 3000 environments that you don't manage and others own. 3000 environments without SSH access. Come with me on a "funny" journey and learn how we made this possible and how the PE upgrade process differs from Open Source. Lets do a deep dive into PE 2019->2021->2023 Upgrades and our open source tooling that made this possible. You can also watch the slides online at: https://bastelfreak.de/cfgmgmtcamp2025/pe.html#1 Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://cfp.cfgmgmtcamp.org/ghent2025/talk/9NUL9E/