own postinst and prerm

debian/postinst

@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+if [ -f "/etc/default/pswatcher" ]
+then
+        . /etc/default/ps-watcher
+fi
+
+if [ -x "/etc/init.d/ps-watcher" ]; then
+        update-rc.d ps-watcher defaults 40 >/dev/null
+	if [ "$startup" == "1" ] && [ -f $CONFIG ]; then
+        	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
+                	invoke-rc.d ps-watcher start || exit $?
+        	else
+                	/etc/init.d/ps-watcher start || exit $?
+        	fi
+	fi
+fi
+