diff --git a/CloudComputing_Lab/modules/ROOT/nav.adoc b/CloudComputing_Lab/modules/ROOT/nav.adoc
index 72e0fb3..7f0231e 100644
--- a/CloudComputing_Lab/modules/ROOT/nav.adoc
+++ b/CloudComputing_Lab/modules/ROOT/nav.adoc
@@ -1,2 +1,2 @@
-* xref:index.adoc[Docs]
-* xref:a.adoc[Περιβάλλον]
+* xref:index.adoc[Intro]
+* xref:a.adoc[Lab environment]
diff --git a/CloudComputing_Lab/modules/ROOT/pages/index.adoc b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
index 9a49512..5d9ceef 100644
--- a/CloudComputing_Lab/modules/ROOT/pages/index.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
@@ -5,33 +5,7 @@ image::ROOT:swarmlab.png[swarmlab,150,float=right]
 
 This tutorial demonstrates: *a.* howto create a Swarmlab.io doc wit asciidoc  
 
-== Intro
-
-== Γνωριμία  με το περιβάλλον
-
-=== okeanos
-
- 1. Register και σύνδεση
-
-****
-TIP: Learn How to Use it!
-
-video::683282520[vimeo]
-****
-
- 2. ssh login
-
-http://docs.swarmlab.io/SwarmLab-HowTos/swarmlab/docs/build/site/swarmlab_sec-ssh-tunneling/docs/index.html#_sshd_config_ssh_server_configuration[SSH Configuration^]
-
-
-=== Tasks 
-
-
-
-=== swarmlab.io-hybrid
-
-
-
+== Lab 1
 == Lab 2
 == Lab 3
 == Lab 4