Monitor machine state (memory, load average).
$ npm install tracker-machine -g
To start it:
$ tracker-machine --host=http://localhost:5000
-i, --interval Post interval (in seconds), defaults is 3 minutes
-hs, --host [host] Reportr hostname
-u, --username [username] Authentication username
-p, --password [password] Authentication password
-e, --event [event] Event name, default is "machine.state"