Centos无法连接NVIDIA驱动：NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver_centos8无法连接显卡驱动

Centos无法连接NVIDIA驱动：NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver
重启服务器，GPU无法运行，nvidia-smi后输出
NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver

终端输入nvcc -V发现驱动存在

终端输入lsb_release -a查看发行版本信息

终端输入whereis nvidia查看显卡驱动版本
nvidia: /usr/lib/nvidia /usr/share/nvidia /usr/src/nvidia-455.45.01/nvidia

Centos的恢复方法
step1: sudo yum install dkms
step2: sudo dkms install -m nvidia -v 455.45.01(显卡驱动版本）

终端输入nvidia-smi检验

附：Ubuntu系统恢复方法