diff --git a/plugins/other/nginx_memory b/plugins/other/nginx_memory
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+++ b/plugins/other/nginx_memory
@@ -0,0 +1,86 @@
+#!/usr/bin/perl -w
+# -*- mode: cperl; mode: autopair -*-
+# Magic markers:
+#%# family=auto
+#%# capabilities=autoconf
+# nginx_memory --- Munin plugin for monitoring Nginx memory
+#                  usage. Based on the nginx_memory.pl plugin
+#                  by AkyRhO <akyrho@gmail.com>.
+
+# Copyright (C) 2010 António P. P. Almeida <appa@perusio.net>
+
+# Author: António P. P. Almeida <appa@perusio.net>
+
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# Except as contained in this notice, the name(s) of the above copyright
+# holders shall not be used in advertising or otherwise to promote the sale,
+# use or other dealings in this Software without prior written authorization.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+=head1 NAME
+
+nginx_memory - Munin plugin to show the RAM used by nginx.
+
+=encoding utf8
+
+=head1 APPLICABLE SYSTEMS
+
+Any nginx host
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf
+
+=head1 VERSION
+
+1.0
+
+=head1 BUGS
+
+None known
+
+=head1 AUTHOR
+
+Based on a script by AkyRhO <akyrho@gmail.com>. Modified by António
+Almeida <appa@perusio.net>
+
+=head1 REPOSITORY
+
+Source code at http://github.com/perusio/nginx-munin
+
+=head1 LICENSE
+
+MIT
+
+=cut
+
+## Munin config method.
+if (exists $ARGV[0] and $ARGV[0] eq "config") {
+  print "graph_title nginx RAM usage\n";
+  print "graph_vlabel RAM\n";
+  print "graph_category nginx\n";
+  print "ram.label RAM\n";
+  print "graph_args --base 1024\n";
+
+  exit 0;
+} else {
+  my $m = `ps u -p  \$(pidof nginx) | awk 'NR > 1 {nm += \$5} END {print nm*1024}'`;
+  print "ram.value $m";
+}