diff --git a/README.md b/README.md
index 174ba57..da1149c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,78 @@
-# examples-os2
+# Linux Operating System
 
+Instances of Ubuntu with Linux-based tools
+
+##  LabInstance os2
+
+
+![alt text](images/swarmlab-network.png "")
+
+
+
+
+[inspired by NLKNguyen](https://github.com/NLKNguyen/alpine-mpich)
+
+
+## Quickstart
+
+This is a quickstart guide of howto use this *Lab*
+
+  
+
+### Default Configuration 
+
+- Working Directory
+
+> /home/ubuntu
+
+- Default user
+
+> ubuntu
+
+
+- Publish yoy work
+ 
+---
+**INFO**
+
+
+Usage: 
+
+>
+> mkdir /home/ubuntu/directory
+> put you files in that directory
+> swarmlab-publish /home/ubuntu/directory
+> open URL in Browser
+>
+
+---
+
+
+- The host file that contains addresses of connected workers can be created with:
+
+> 
+> swarmlab-getworkers > /home/ubuntu/invhosts
+> 
+
+- connect to workers
+
+>
+> ssh ubuntu@[IP]
+> user has sudo rights
+>
+
+
+- connect to workers with ansible
+
+```bash
+cd /home/ubuntu/project/examples-os2/ansible
+   make ps
+```
+---
+ 
+
+---
+**MORE INFO** 
+
+See http://docs.swarmlab.io/SwarmLab-HowTos/labs/os2/index.adoc.html
+---
diff --git a/ansible/Makefile b/ansible/Makefile
new file mode 100644
index 0000000..d8bef6c
--- /dev/null
+++ b/ansible/Makefile
@@ -0,0 +1,15 @@
+all: ps
+
+# current full path
+ DIR:=$(strip $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))
+ mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
+ current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
+
+ps:
+	@echo "ps aux" ; \
+	cat inv-template.yml  > inv.yml ; \
+	swarmlab-getworkers >> inv.yml ; \
+	ansible-playbook -u ubuntu -inv.yml examples/ps.yml   -f 5  --private-key=/home/ubuntu/.ssh/id_rsa ; \
+
+
+
diff --git a/ansible/examples/ps.yml b/ansible/examples/ps.yml
new file mode 100644
index 0000000..ffa6a8a
--- /dev/null
+++ b/ansible/examples/ps.yml
@@ -0,0 +1,20 @@
+---
+- hosts: service
+  remote_user: ubuntu
+  vars:
+    user: "ubuntu"
+
+  tasks:
+
+
+    - name: ps
+      become: yes
+      become_user: "{{ user }}"
+      command:  ps aux
+      ignore_errors: yes
+      register: o
+
+
+    - name: ls o
+      debug: var=o.stdout_lines
+
diff --git a/ansible/inv-template.yml b/ansible/inv-template.yml
new file mode 100644
index 0000000..893bdf2
--- /dev/null
+++ b/ansible/inv-template.yml
@@ -0,0 +1 @@
+[service]
diff --git a/images/swarmlab-network.png b/images/swarmlab-network.png
new file mode 100644
index 0000000..8a34610
Binary files /dev/null and b/images/swarmlab-network.png differ