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+#### Building version 0.1
+    rebar compile
+    rebar generate
+    mv rel/dummy rel/dummy_0.1
+    rebar clean
+    # start the release:
+    cd rel/dummy_0.1
+    bin/dummy console
+
+    erl> dummy_server:get_state().
+    erl> dummy_server:set_state(123).
+    erl> dummy_server:get_state().
+
+#### Building version 0.2
+
+    # Now, in another terminal we prepare an upgrade..
+
+    # change release version numbers from 0.1 to 0.2 in
+    $EDITOR apps/dummy/src/dummy.app.src
+    $EDITOR rel/reltool.config
+
+    rebar compile
+    rebar generate
+    rebar generate-appups previous_release=dummy_0.1
+    rebar generate-upgrade previous_release=dummy_0.1
+    tar -zvtf rel/dummy_0.2.tar.gz
+
+
+#### Deploying with release_handler
+    mv rel/dummy_0.2.tar.gz rel/dummy_0.1/releases/
+
+    # Now use release_handler in the running erlang console for the deploy:
+
+    erl> release_handler:unpack_release("dummy_0.2").
+    erl> release_handler:install_release("0.2").
+    erl> release_handler:make_permanent("0.2").
+
+    erl> release_handler:which_releases().
+    erl> dummy_server:get_state().