11

I tried using cat /proc/driver/nvidia/version but it says the file does not exist.

Is there any alternative way to do that?

I tried to look manually for that file, but I couldn't find it. I also searched for
it and still could not find it.

Any suggestions?

  • have you tried the command you have post with sudo ? – Hanan N. Nov 29 '11 at 22:05
  • 1
    @HananN. That file is world-readable on my system, and you wouldn't get a "file does not exist" error if it wasn't – Michael Mrozek Nov 30 '11 at 0:10
  • 2
    @Rev3rse: are you sure the nvidia module is loaded? Does it appear in lsmod? dmesg|grep -i nvidia? – Mat Nov 30 '11 at 6:46
12

Try to run the nvidia-smi command. It will give you information about your driver version, the cards you have in your system, etc. The advantage is that you do not need a GUI, and it is an altervative to modinfo nvidia.

  • Is this actually a solution or a recommendation for the next step in troubleshooting? If the latter, it should be a comment. – HalosGhost Dec 1 '14 at 16:07
  • 1
    It is nvidia's own management program, which should answer the original question. – Robert Dec 1 '14 at 16:58
6

Ok.. first of all, what is this video card and what kernel module is loaded:

$ lspci -k | grep -A 2 -i "VGA"
02:00.0 VGA compatible controller: nVidia Corporation NV41 [GeForce 6800 GS] (rev a2)
  Kernel driver in use: nvidia
  Kernel modules: nvidia, nouveau, nvidiafb
$ _

So I do have nVidia graphics card with loaded kernel module - "nvidia". Let's see more about this driver, but search for the "version":

$ modinfo nvidia | grep version 

Although you could just read a full output if ".. | grep version" returns no result:

$ modinfo nvidia
6

Easiest way to isolate the NVidia Driver Version number alone is to run the following:

nvidia-smi --query-gpu=driver_version --format=csv,noheader

On my system this produces the following result:

andrew@illium~$ nvidia-smi --query-gpu=driver_version --format=csv,noheader
396.51
andrew@illium~$ 
3

try nvidia-settings and on the Gui that open you should see the version number.

1

You can also use nvidia-settings from command line:

$ nvidia-settings -q NvidiaDriverVersion

Attribute 'NvidiaDriverVersion' (neptune:0.0): 304.117

Use all to get the whole attribute list (verbose!)

$ nvidia-settings -q all

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