There should be end of line in /etc/hostname
diff --git a/linux/files/hostname b/linux/files/hostname
index b5ec334..4c1c581 100644
--- a/linux/files/hostname
+++ b/linux/files/hostname
@@ -1 +1,2 @@
-{{ pillar.linux.system.name }}
\ No newline at end of file
+{{ pillar.linux.system.name }}
+