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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