using Cacti to monitor a large scale infrastructure in Amazon’s EC2

monit is a monitoring tool, which you configure tests that will be evaluated at certain intervals. If one of the tests fails, then it will take action depending on the rules you assign to it.

Alice is a RESTful interface to the RabbitMQ server that talks directly through erlang’s native interface, epmd. The purely RESTful server responds to the same interface as the RabbitMQ’s command-line interface and presents a native HTTP interface to the data.