install openrazer

# openrazer-meta from repo
sudo apt install python3-setproctitle xautomation python3-pyudev -y

git clone --depth=50 https://github.com/openrazer/openrazer.git && cd openrazer

./scripts/build_debs.sh

sudo dpkg -i openrazer-driver-dkms_2.7.0-0_all.deb
sudo gpasswd -a $USER plugdev
sudo dpkg -i openrazer-daemon_2.7.0-0_all.deb
sudo dpkg -i python3-openrazer_2.7.0-0_all.deb
sudo dpkg -i openrazer-doc_2.7.0-0_all.deb
sudo dpkg -i openrazer-meta_2.7.0-0_all.deb

# or
sudo add-apt-repository ppa:openrazer/daily
sudo apt update
sudo apt install openrazer-meta

# after
sudo add-apt-repository ppa:polychromatic/stable
sudo apt install polychromatic