sudo add-apt-repository ppa:cappelikan/ppa
sudo apt install mainline
References
https://ubuntuhandbook.org/index.php/2020/08/mainline-install-latest-kernel-ubuntu-linux-mint/
https://github.com/pimlie/ubuntu-mainline-kernel.sh
Daily Notes of a Programmer
sudo add-apt-repository ppa:cappelikan/ppa
sudo apt install mainline
References
https://ubuntuhandbook.org/index.php/2020/08/mainline-install-latest-kernel-ubuntu-linux-mint/
https://github.com/pimlie/ubuntu-mainline-kernel.sh