Publishes OS status to an mqtt broker
npm install mqtt-os-statusOperating-system related data, published to an
MQTT broker at fixed intervals.
Example output
$ mosquitto_sub -h 192.168.1.5 -t "+/os/#" -v
pi1/os {"hostname":"jeeves","type":"Linux","endianness":"LE","platform":"linux","arch":"arm","release":"3.10.25+"}
pi1/os/uptime 142.2680236
pi1/os/loadavg [1.07421875,0.68212890625,0.271484375]
pi1/os/mem {"totalmem":508874752,"freemem":396210176}
pi1/os/cpus [{"model":"unknown","speed":700,"times":{"user":373600,"nice":0,"sys":203500,"idle":547300,"irq":3700}}]
pi1/os/networkInterfaces {"lo":[{"address":"127.0.0.1","family":"IPv4","internal":true}],"eth0":[{"address":"192.168.1.5","family":"IPv4","internal":false}]}
These instructions are for Raspbian on Raspberry Pi but could easily be adapted
to most Linux distributions.
Install forever.js
npm install -g forever
Install this module
npm install -g mqtt-os-status
Copy the sample etc/init.d/mqtt-os-status file to /etc/init.d and make it
executable. Adjust the directory of your node.js installation if necessary.
sudo su
cp /home/pi/node-v0.10.2-linux-arm-pi/lib/node_modules/mqtt-os-status/etc/init.d/mqtt-os-status /etc/init.d/mqtt-os-status
chmod a+x /etc/init.d/mqtt-os-status
Edit the node binary paths, app paths, username and password, and optional
adjustments to topic root and update inteval in the script as necessary
After putting the script in place, you should update the system service definitions:
update-rc.d mqtt-os-status defaults
Run or check on the script and its process with the following commands:
service mqtt-os-status start
service mqtt-os-status status
service mqtt-os-status restart
service mqtt-os-status stop