Ensure /etc/salt/pki/minion is created
diff --git a/ubuntu-16.04/scripts/salt.sh b/ubuntu-16.04/scripts/salt.sh
index 2ce3c70..fbee3a0 100644
--- a/ubuntu-16.04/scripts/salt.sh
+++ b/ubuntu-16.04/scripts/salt.sh
@@ -1 +1,2 @@
 apt-get -y install salt-minion
+mkdir -m700 -p /etc/salt/pki/minion