Added all

examples/002_become/database.yml

@@ -2,5 +2,5 @@
 - hosts: database
   become: true
   tasks:
-    - name: install mysql-server
-      apt: name=mysql-server state=present update_cache=yes
+    - name: install default-mysql-server
+      apt: name=default-mysql-server state=present update_cache=yes

examples/002_become/hostname.yml

@@ -1,5 +0,0 @@
----
-  - hosts: all
-    tasks:
-      - name: get server hostname
-        command: hostname

examples/002_become/loadbalancer.yml

@@ -3,4 +3,4 @@
   become: true
   tasks:
     - name: install nginx
-      apt: name=nginx state=present update_cache=yes
+      apt: name=nginx state=present update_cache=yes