Activate back lighting of LIVE TECH gaming keyboard on Ubuntu

To enable the back light LEDs of the Live Tech keyboard in Ubuntu follow these steps

sudo apt install brightnessctl
sudo brightnessctl -ls #note the scrolllock input with a suffix greater than 5
sudo brightnessctl --device input16::scrolllock s 1 #Assuming the suffix is 16

This should light up the LEDs in the Keyboard.

Link Keyboard Lighting Script to a Function Key

Want to control your keyboard backlight with a simple function key? Follow ahead.

Step 1: Create the Keyboard Lighting Script

1. Open Terminal
2. Create the script: vi ~/lightupKeyboard.sh
3. Add the following content: pkexec brightnessctl --device input16::scrolllock s 1 >> /tmp/lightupKB.log 2>&1
4. Save and exit
5. Make the script executable: chmod +x ~/lightupKeyboard.sh

Step 2: Link to a Function Key

1. Open Keyboard Shortcuts Settings:
   • On GNOME: Settings > Keyboard > View and Customize Shortcuts
   • On KDE: System Settings > Shortcuts
2. Create a New Shortcut:
   • Name: Light Up Keyboard
   • Command: bash ~/lightupKeyboard.sh
3. Assign a Key: Press the desired Function Key (e.g., F6) when prompted.
4. Save and Close Settings.

Press the assigned function key to turn on your keyboard lighting. You will also see a log entry in /tmp/lightupKB.log for each press.

Kj

Kj [/.] Sreekumar programs computers as a hobby and profession. Into programming from his school days, Sree uses Codemarvels to key in facts and fixes he finds interesting while working on different projects. Some of the articles here give away a few shades of his philosophical leanings too.

codemarvels.in