参考该博文 https://blog.youkuaiyun.com/fdqw_sph/article/details/78745375
一台ubuntu 16.04 机器重装显卡驱动,
查看linux 版本内核 uname -a
进入对应内核路径
cd /lib/modules/4.4.0-83-generic/kernel/drivers/gpu/drm/nouveau
sudo rm -rf nouveau.ko
sudo rm -rf nouveau.ko.org
仍报如下错
An NVIDIA kernel module 'nvidia-drm' appears to already be loaded in your kernel.
This may be because it is in use (for example, by an X server, a CUDA program, or
the NVIDIA Persistence Daemon), but this may also happen if your kernel was
configured without support for module unloading. Please be sure to exit any
programs that may be using the GPU(s) before attempting to upgrade your driver.
于是 cd /lib/modules 目录下 ,找了下 内核版本--generic/kernel/drivers/gpu/drm/nouveau
存在 nouveau.ko nouveau.ko.org
执行
sudo rm -rf nouveau.ko
sudo rm -rf nouveau.ko.org
后重启,可以正常安装显卡驱动