Update apt repo and upgrade safe packages

roles/common/tasks/main.yml

@@ -1,6 +1,12 @@
 ---
 # Defines tasks applicable across all machines in the infrastructure.
 
+- name: Update apt cache
+  apt: update_cache=yes
+
+- name: Upgrade all safe packages
+  apt: upgrade=safe
+
 - name: Install necessities and nice-to-haves
   apt: pkg=$item state=installed
   with_items: