I have created project with balena Dash and added a Node-RED containter. I would like to control backlight of the mounted display through Node-RED, but when I hit the backlight_on.sh or backlight_off.sh it says
Error: EROFS: read-only file system, open '/sys/class/backlight/rpi_backlight/bl_power
Is there any way to change the read-only FS to writable?
Thank you very much.
PS: My Dockerfile for the Node-RED looks like this:
FROM nodered/node-red-docker:rpi-v8 USER root RUN apt-get update && apt-get install nano USER node-red RUN npm install node-red-contrib-resinio RUN npm install node-red-dashboard RUN npm install node-red-contrib-credentials RUN npm install node-red-admin RUN npm install --save rpi-backlight COPY ./settings.js /data/settings.js