diff --git a/README.adoc b/README.adoc
index 4314076..1ea0011 100644
--- a/README.adoc
+++ b/README.adoc
@@ -13,4 +13,9 @@ homelab.
 === Containers
 
 * NGINX
-* Jellyfin
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+* Jellyfin
+
+=== Testing
+To run locally, specify the inventory file with `-i hosts`.
+To generate self-signed certificates, add `-e "self_signed=true"` to the `ansible-playbook` command.
+To temporarily become root and ask for password, pass the `--become -K` parameters.
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diff --git a/hosts b/hosts
new file mode 100644
index 0000000..90c418a
--- /dev/null
+++ b/hosts
@@ -0,0 +1,2 @@
+[test]
+localhost ansible_connection=local
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