This is stolen & inspired by FindTheProblems by Matthew Riley MacPherson
promon has three different kinds of notifiers: prowl, growl & mail
is done with a yaml file named config.yaml which must be in the same directory as promon.rb. Have a look at config.yaml.example to see how it works.
promon uses God to run and be daemonized. An .god configuration file is given. Start promon with:
god -c promon.god