diff --git a/rocky/README.md b/rocky/README.md
new file mode 100644
index 0000000..7090455
--- /dev/null
+++ b/rocky/README.md
@@ -0,0 +1,17 @@
+# Rocky server setup
+
+* Download latest debian image for the server
+* Burn SD, put `before.txt` in `config/`
+* Copy all this to `/root`
+* Fix ts key (see below)
+
+Boot server, reboot.
+
+* Run setup.sh
+
+
+Every 90 days the tailscale auth key will expire and you need to set a new one as
+a secret.
+
+* Create the new one at https://login.tailscale.com/admin/settings/keys (MAKE IT REUSABLE)
+* Put it in the setup.sh in the server