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pixel-server_setup.md

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Run the preInstallScript

Before deploying go to Post Installation section and run the preInstallScript for the pixel-server container.

Or you can run these commands (just do this once!)

echo "Enabling spi and i2c communication"
sudo raspi-config nonint do_spi 0
sudo raspi-config nonint do_i2c 0
echo "Creating directory..."
sudo mkdir /portainer/Files/AppData/Config/pixel-server/
echo "Downloading config files and configuring partly"
sudo touch /portainer/Files/AppData/Config/pixel-server/users.cfg 
sudo sh -c "echo 'network_allow_auth = 0.0.0.0' > /portainer/Files/AppData/Config/pixel-server/auth.cfg"
sudo wget https://raw.githubusercontent.com/penguintutor/pixel-server/main/defaults.cfg -O /portainer/Files/AppData/Config/pixel-server/pixelserver.cfg
echo "Done You are ready to goto next step in the install document"

Now you can deploy the pixel-server container, but do return back to this document to configure a user so you can login into the dashboard on port 85.

To configure a user run the following in your terminal:

docker exec -it pixel-server sh -c 'python3 createadmin.py <username> <password> >> users.cfg'
docker restart pixel-server

Replace <username> and <password> with the account you wish to use. You can now login into the container using the IP of the host on port 85.

Configuring

While you're technically set, you do need to configure the pixel-server how to communicate with your RGB device. You can do this by clicking on the Settings button.

You should set:

  • the Number of LEDS.
  • GPIO Pin No (use https://pinout.xyz/ you want to input the number next to GPIO on the right (not the left)).
  • Brightness (default should be good, but take small steps when setting this value, requires restart of the container!).
  • LED Strip (Very important that you choose the right type, otherwise you're RGB device will show the wrong colors).

Automation

You can use cron inside the container aswell. You can enable Cheerlights by doing:

docker exec -it pixel-server crontab -e

And add: */5 * * * * wget -q -O /opt/pixel-server/customlight.cfg http://api.thingspeak.com/channels/1417/field/2/last.txt

Save and exit out of the file and container.