diff --git a/README.md b/README.md
index 5829ff0..e3eae5c 100644
--- a/README.md
+++ b/README.md
@@ -16,21 +16,35 @@
 Role Variables
 --------------
 
-Defaults for internal environment OPDK setup settings
-
-    apigee_continue_on_warning: y
-
-Default value to limit swap file use
-
-    vm_swappiness: 60
-
-Default epel repo for EL 6
-
-    epel_ol6: https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
-
-Default epel repo for EL 7
-
-    epel_rhel7: https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+| Variable Name | Default Value | Description |
+| --- | --- | --- |
+| apigee_continue_on_warning | y | Defaults for internal environment OPDK setup settings |
+| vm_swappiness | 60 | Default value to limit swap file use |
+| epel_ol6 | https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm | Default epel repo for EL 6 |
+| epel_rhel7 | https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm | Default epel repo for EL 7 |
+| yum_packages | - bind-utils
+                 - chkconfig
+                 - curl
+                 - tar
+                 - wget
+                 - yum-utils
+                 - unzip
+                 - rsync
+                 - which
+                 - libselinux-python
+                 - nss
+                 - openssh-clients
+                 - openssh-server
+                 - grep
+                 - rpm
+                 - rng-tools
+                 - sed | Collection of yum package names to install with yum |
+| sysctl_minimum | 
+- { name: 'vm.swappiness', value: "{{ vm_swappiness }}" }
+- { name: 'net.ipv6.conf.all.disable_ipv6', value: '1' }
+- { name: 'net.ipv6.conf.default.disable_ipv6', value: '1' }
+- { name: 'net.ipv4.tcp_fin_timeout', value: "{{ apigee_net_ipv4_tcp_fin_timeout }}" }
+- { name: 'vm.max_map_count', value: '{{ apigee_max_map_count }}' } | Minimum updates to sysctl for an Apigee node |                 
 
 Dependencies
 ------------
@@ -42,7 +56,7 @@
 
     - hosts: servers
       roles:
-         - { role: username.rolename, x: 42 }
+         - { role: apigee-opdk-setup-os-minimum }
 
 License
 -------
diff --git a/defaults/main.yml b/defaults/main.yml
index 7b84a0d..fa21398 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,24 +17,24 @@
 qpid_client: ftp://fr2.rpmfind.net/linux/epel/7/x86_64/q/qpid-cpp-client-1.35.0-3.el7.x86_64.rpm
 qpid_server: ftp://fr2.rpmfind.net/linux/epel/7/x86_64/q/qpid-cpp-server-1.35.0-3.el7.x86_64.rpm
 
-#yum_packages:
-#- bind-utils
-#- chkconfig
-#- curl
-#- tar
-#- wget
-#- yum-utils
-#- unzip
-#- rsync
-#- which
-#- libselinux-python
-#- nss
-#- openssh-clients
-#- openssh-server
-#- grep
-#- rpm
-#- rng-tools
-#- sed
+yum_packages:
+- bind-utils
+- chkconfig
+- curl
+- tar
+- wget
+- yum-utils
+- unzip
+- rsync
+- which
+- libselinux-python
+- nss
+- openssh-clients
+- openssh-server
+- grep
+- rpm
+- rng-tools
+- sed
 
 clear_etc_hosts:
 - { regexp: '(^::1.*localhost6.*)$', replace: '# \1' }