diff --git a/TuringPi/cm-turing-rk1.md b/TuringPi/cm-turing-rk1.md
index 82cb777..67cd51d 100644
--- a/TuringPi/cm-turing-rk1.md
+++ b/TuringPi/cm-turing-rk1.md
@@ -83,6 +83,15 @@ ssh-copy-id -f -i ~/.ssh/id_ed25519.pub pleb@<hostname>
 
 ```bash
 vim .ssh/authorized_keys
+
+sudo vim /etc/ssh/sshd_config
+```
+
+```
+# ----------------------------------------
+PasswordAuthentication no
+PermitEmptyPasswords no
+# ----------------------------------------
 ```
 
 ```