add cloud info

CloudComputing_Lab/modules/ROOT/pages/admin.adoc

@@ -146,6 +146,43 @@ docker volume ls
 ----
 
 
+== Network
+
+Creates a new network. The DRIVER accepts *bridge* or *overlay* which are the built-in network drivers.
+
+=== create bridge network
+
+[source,sh]
+----
+docker network create -d bridge my-network
+----
+
+=== create overlay network
+
+[source,sh]
+----
+docker network create -d overlay my-network
+----
+
+=== create  with advanced options
+
+[source,sh]
+----
+docker network create \
+  --driver=bridge \
+  --subnet=172.28.0.0/16 \
+  --ip-range=172.28.5.0/24 \
+  --gateway=172.28.5.254 \
+  mybr
+----
+
+=== list
+
+[source,sh]
+----
+docker network ls
+----
+
 == Inspect
 
 Low-level information on Docker objects