diff --git a/CloudComputing_Lab/modules/ROOT/pages/ansible.adoc b/CloudComputing_Lab/modules/ROOT/pages/ansible.adoc
index 69a7724..d8ec7db 100755
--- a/CloudComputing_Lab/modules/ROOT/pages/ansible.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/ansible.adoc
@@ -1,6 +1,9 @@
 
 = CaaS - OS Admin
 
+
+
+
 == Playbook
 
 [source,sh]
@@ -211,6 +214,42 @@
 
 == Playbook files
 
+== inventory file (Stattic)
+
+[source,sh]
+----
+[service]
+172.31.0.3
+172.31.0.4
+172.31.0.5
+172.31.0.6
+172.31.0.2
+----
+
+== inventory file (Auto)
+
+[source,sh]
+----
+#!/bin/sh
+
+ip4=$(/sbin/ip -o -4 addr list eth0 | awk '{print $4}' | cut -d/ -f1)
+ip6=$(/sbin/ip -o -6 addr list eth0 | awk '{print $4}' | cut -d/ -f1)
+
+ip=`nslookup $NODENAME | grep Addr | cut -d':' -f2 | grep -v 127.0.`
+echo "[service]" > ./inventory.yml
+nmap -sn -oG - $ip/24 | grep Up | grep $NODENETWORK | cut -d ' ' -f 2 >> ./inventory.yml
+
+# include ansible host or not
+#echo $ip4 >> ./inventory.yml
+
+
+----
+
+
+
+
+
+
 === fluentd conf file
 
 [source,sh]
@@ -785,3 +824,14 @@ host_key_checking = False
 # Set how many context lines to show in diff
 # context = 3
 ----
+
+== Run it!
+
+[source,sh]
+----
+#!/bin/sh
+
+ansible-playbook -u docker -i inventory.yml file.yml  -f 5  --ask-pass --ask-become-pass
+# run with keys
+#ansible-playbook -u docker -i inventory.yml fluentd.yml  -f 5  --private-key=/home/docker/.ssh/id_rsa
+----