我试图在服务器中安装一些软件包，这需要对某些CUDA库进行一些更新。但是现在我最终得到了
nvidia-smi: command not found
即使我的GPU也可以正常工作。我不知道有什么可能会搞砸，我该如何解决。一些信息
操作系统：Ubuntu 16.04
$ lspci | grep VGA
04:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
05:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
08:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
09:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
0c:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 30)
84:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
85:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
88:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
89:00.0 VGA compatible controller: NVIDIA Corporation Device 1b06 (rev a1)
$ dpkg -l | grep -E "nvidia-[0-9]{3}"
rc nvidia-390 390.59-0ubuntu0~gpu16. amd64 NVIDIA binary driver - version 390.59
rc nvidia-396 396.54-0ubuntu0~gpu16. amd64 NVIDIA binary driver - version 396.54
iU nvidia-440 440.33.01-0ubuntu1 amd64 NVIDIA binary driver - version 440.33.01
iU nvidia-440-dev 440.33.01-0ubuntu1 amd64 NVIDIA binary Xorg driver development files
$ grep "X Driver" /var/log/Xorg.0.log
[ 4612.223] (II) NVIDIA dlloader X Driver 396.54 Tue Aug 14 22:15:03 PDT 2018
$ nvcc --version
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2017 NVIDIA Corporation
Built on Fri_Nov__3_21:07:56_CDT_2017
Cuda compilation tools, release 9.1, V9.1.85
问题是我可以在没有nvidia-smi: command not found的情况下解决这个apt purge nvidia-*（在尝试安装某些软件包之前没有发生）的问题吗？这是一台共享服务器，所以我不想弄乱任何东西