add scan

intro/modules/ROOT/nav.adoc

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 * xref:index.adoc[Network Scanning]
+* xref:exer.adoc[exercises]

intro/modules/ROOT/pages/exer.adoc

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+= Network Scanning - exercises!
+  
+image::ROOT:swarmlab.png[swarmlab,150,float=right]
+
+This tutorial demonstrates some common nmap port scanning scenarios and explains the output. 
+
+
+
+
+
+
+== Find All TCP Ports connections
+
+
+
+* Find All TCP Ports connections
+** save it
+
+* Connect to *master* and run 
+
+[source,bash]
+----
+cd /project/courses/fluentd
+# run
+./fluentd.yml.sh
+----
+
+* Find All TCP Ports connections
+** save it
+
+== SSH password
+
+[source,bash]
+----
+SSH password: 
+SUDO password[defaults to SSH password]: 
+----
+
+password: docker
+
+SUDO password: docker
+
+
+
+
+
+