Crabgrass: An MQTT Cloud Agent 

An open-source MQTT Cloud Agent to control Edge Devices.

This project is still in beta - please use at your own risk and post any bugs to issues

Features

• API to run linux commands remotely >> Just publish to topic "cli"
• API for monitor CLI responses (complete, fail, status, etc.) >> Just subscribe to topic "cli_response"

Use Cases for Remote Access

• Install Docker ipk on PFC200 in the field
• Install Node-RED
• Stop / Start / Pull containers
• Remove Docker images
• Reboot the PFC
• Perform diagnostics (check FW version, df -h, etc.)
• Update system settings (Disable PLC Runtime, Unused Ports, etc.)

Get started

• Copy ipk to PFC root folder. >> wget https://github.com/braunku/crabgrass/releases/main/crabgrass_0.01_armhf.ipk
• Install IPK on FW18 >> opkg install crabgrass_0.01_armhf.ipk
• configure your MQTT client >> nano /etc/config.cfg
• cp /lib/libconfig.so.9 /lib/libconfig.so.11 (Not sure why compiler looks for wrong version, will fix in next release.)
• Run agent >> crabgrass

Requirements

PFC200 with Firmware 18

License

crabgrass is under the MIT license. See the LICENSE for more information.

Links

• Kurt Braun YouTube
• Kurt Braun LinkedIn