initial commit

README.md

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+# ssh keys repository
+
+The `users.yml` playbook contains users and public keys.
+The playbook uses `/etc/hosts` as a database for hosts to install the keys on.
+
+## usage:
+
+* Make changes to a local checkout of this repo.
+* `git commit` the changes, `git push` and `git pull` on xcat.
+* on xcat:
+
+```bash
+git pull
+ansible-playbook users.yml # this will install the users on all hosts in /etc/hosts.
+```