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1-prep README
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This 1st `stage <https://github.com/iiab/iiab/wiki/IIAB-Contributors-Guide#ansible>`_ (1-prep) is primarily hardware-focused, prior to OS
additions/mods — but also includes critical pieces sometimes needed for
remote support:

- SSH
- `iiab-admin <https://github.com/iiab/iiab/tree/master/roles/iiab-admin>`_ username and group to log into Admin Console
- OpenVPN software if/as needed later for remote support

Traditionally 1-prep also included preliminaries like hostname and
hardware-oriented things specific to a particular platform (such as
One Laptop Per Child's XO laptop) i.e. critical setup prior to the
bulk of IIAB's software install.

Recap: Similar to 0-init, 2-common, 3-base-server and 5-xo-services ⁠— this 1st stage installs core server infra (that is not user-facing).