Welcome to the Save Energy project

The Save Energy Leiden Pilot project is part of the ​European Save Energy project aimed at reducing energy consumption in buildings by changing user behaviour. In the Leiden Pilot carried out in Leiden City Hall the electricity and heating use is measured at the desk and room level. The measuring sensors form a wireless mesh network to communicate with a central gateway. We will send the data via the Wireless Leiden network to a server at the Leiden University LIACS institute.

The project, which is also part of the ​Hogeschool Leiden FreeDiscovery project, aims at setting up the infrastructure for collection, analysis and presentation of the data.

Installation of Pentaho on a FreeBSD server

We use the open-source ​Pentaho Business Intelligence suite on FreeBSD. The ​Pentaho wiki site and the book "Pentaho Solutions" of ​Roland Bouwman and ​Jos van Dongen come in handy. For installation on FreeBSD the installation procedure has some deviations from the Linux install described in the book. Installation directory is /usr/local/pentaho. For automatic startup we use the scripts /usr/local/etc/rc.d/pentaho and /usr/local/bin/pentaho. <p> The rc.d/pentaho script:

#!/bin/sh
#
# PROVIDE: pentaho
# Configuration settings for pentaho in /etc/rc.conf
#
. /etc/rc.subr
name="pentaho"
rcvar=`set_rcvar`
load_rc_config "${name}"
pentaho_enable="${pentaho_enable:-"NO"}"

start_pentaho () {
	echo "Starting ${name}"
	/usr/local/bin/pentaho >> /var/log/pentaho.log 2>&1
}

stop_pentaho () {
	echo "Stopping ${name}"
	# XXX This goes horribly wrong if we make brew another pot of Java.
	killall java
}

start_cmd="start_pentaho"
stop_cmd="stop_pentaho"
run_rc_command "$1"

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The bin/pentaho script:

#!/bin/sh

PATH=$PATH:/usr/local/bin:/usr/local/sbin

# go to the pentaho home
cd /usr/local/pentaho/biserver-ce

# set up command for pentaho user, set java environment
su -m pentaho -c 'env JAVA_HOME="/usr/local/diablo-jre1.6.0" /usr/local/pentaho/biserver-ce/start-pentaho.sh'

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The Trac Team

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