Integrating with external tools
When thinking about monitoring in general, most people instantly think of some monitoring tool such as Nagios, Zabbix, or the like. While monitoring tools are an important thing, I hope this chapter has proven that there is more to monitoring than just monitoring tools and pretty graphs.
Still, in this section, the goal is to guide you through some modules commonly used for monitoring with the help of tools. This is not meant to be an introduction to Nagios and other tools but a guideline to what can be used along with which tool.
Using Nagios plugins
The most widely used plugin that can be used in combination with Nagios is the plugin provided by the developers of the Burcado project at:
http://bucardo.org/wiki/Check_postgres
It is also possible to use those plugins with Shinken and Tanto.
It offers a variety of checks suitable for monitoring different types of instances. The beauty of this plugin is that it can produce not only monitoring data for Nagios but...