brightness service

guide

Create a new systemd service file:


sudo nano /etc/systemd/system/brightness.service

Add the following to the file:
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[Unit]
Description=Set screen brightness
After=multi-user.target

[Service]
Type=oneshot
ExecStart=/usr/bin/brightnessctl set 50%

[Install]
WantedBy=multi-user.target



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Reload Systemd to Recognize New Service

Whenever you create a new service file or modify an existing one, you need to reload the systemd manager configuration to recognize and list the new service:

sudo systemctl daemon-reload

Enable and start the service:

sudo systemctl enable brightness.service
sudo systemctl start brightness.service