diff --git a/DOC/README.mod_passenger b/DOC/README.mod_passenger
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+# ----------
+# Install mod_passemger for apache2
+# ----------
+
+
+# Install ruby gem 'passenger
+#
+# this will install script 'passenger-install-apache2-module'
+#
+
+# show aktuall versions of passenger gem's
+gem list passenger --remote
+
+# install aktuall version of gem passenger
+gem install passenger
+
+
+
+# install apache2 moudule 'mod_passenger'
+#
+passenger-install-apache2-module