Creating and moving around new tower monitors for munin

tools/munin_monitors/postgres_alive

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+case $1 in
+   config)
+        cat <<'EOM'
+graph_title Postmaster Processes
+graph_vlabel num processes
+graph_category tower
+postmaster.label Postmaster Processes
+postmaster.type DERIVE
+EOM
+        exit 0;;
+esac
+
+printf "postmaster.value "
+ps ax | grep postmaster | grep -v grep | wc -l
+printf "\n"