Official software is coming only for Windows but fortunately we have nice project for it.
On Ubuntu or Debian it's very easy to install:
sudo apt install -y g810-led
Then try setting this thing, it's my favourite one so far:
sudo gpro-led -p /usr/share/doc/g810-led/examples/sample_profiles/colors
Install it as default profile:
sudo cp /usr/share/doc/g810-led/examples/sample_profiles/colors /etc/g810-led/profile
Example:
