原始是：ubuntu18.04里面的驱动是470，对应cuda11.4
现在需要更新为525，对应cuda为12.0
实现：
1、打开终端
Ctrl + Alt + T
2、使用 lspci 命令（快速查看显卡型号）
lspci | grep -i vga
3、终端输入
ubuntu-drivers devices
提示
WARNING:root:_pkg_get_support nvidia-driver-525: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-530: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-525-server: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-510: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-515: package has invalid Support PBheader, cannot determine support level
WARNING:root:_pkg_get_support nvidia-driver-515-server: package has invalid Support PBheader, cannot determine support level
== /sys/devices/pci0000:00/0000:00:01.1/0000:01:00.0 ==
modalias : pci:v000010DEd00002560sv000017AAsd00003A80bc03sc00i00
vendor : NVIDIA Corporation
manual_install: True
driver : nvidia-driver-470 - distro non-free recommended
driver : nvidia-driver-525 - distro non-free
driver : nvidia-driver-470-server - distro non-free
driver : nvidia-driver-530 - distro non-free
driver : nvidia-driver-525-server - distro non-free
driver : nvidia-driver-510 - distro non-free
driver : nvidia-driver-515 - distro non-free
driver : nvidia-driver-515-server - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin
== /sys/devices/pci0000:00/0000:00:02.2/0000:04:00.0 ==
modalias : pci:v00008086d00002723sv00008086sd00000080bc02sc80i00
vendor : Intel Corporation
manual_install: True
driver : backport-iwlwifi-dkms - distro free
解决办法
终端提示推荐下载nvidia-driver-525
终端输入：
sudo apt install nvidia-driver-525
经过一系列的处理之后，安装完成后，重启系统使驱动生效：
sudo reboot
重启之后，验证驱动是否安装成功
nvidia-smi