ubuntu20.04升级内核至5.15

# 
sudo apt update && sudo apt upgrade -y
# 添加ppa库，用于更新kernel
sudo add-apt-repository ppa:canonical-kernel-team/proposed -y
sudo apt-get update
#
sudo apt install linux-headers-5.15.*-*-generic linux-image-5.15.*-*-generic
sudo apt install linux-headers-5.15.*-*-generic* linux-image-5.15.*-*-lowlatency
#
sudo reboot
# 查看版本
sudo apt install neofetch -y
neofetch