ubuntu18更换内核，安装n卡驱动
换腾讯源
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo dpkg -i linux-*.deb
reboot
ubuntu-drivers devices
sudo apt-get install nvidia-driver-470
换腾讯源
sudo add-apt-repository ppa:graphics-drivers/ppa
sudo dpkg -i linux-*.deb
reboot
ubuntu-drivers devices
sudo apt-get install nvidia-driver-470