References
Now, let's look at the references used throughout the chapter:
The Ganglia home page, http://ganglia.sourceforge.net/
The OpenNMS home page, http://www.opennms.org/
The Zabbix home page, http://www.zabbix.com/
The Zenoss home page, http://zenoss.com/
The Icinga home page, https://www.icinga.org/
The Nagios home page, https://www.nagios.org/
The Rsyslog home page, http://www.rsyslog.com/doc/master/index.html
The Syslog-ng home page, https://syslog-ng.org/