Increase Nvidia fan speed for Linux

nvidia_fan.sh

#!/bin/bash

# Paths to the utilities we will need
SMI='/usr/bin/nvidia-smi'
SET='/usr/bin/nvidia-settings'

# Determine major driver version
VER=$(nvidia-smi --query-gpu=driver_version --format=csv,noheader | cut -d. -f1)

# Drivers from 285.x.y on allow persistence mode setting
if [ ${VER} -lt 285 ]
then
    echo "Error: Current driver version is ${VER}. Driver version must be greater than 285."; exit 1;
fi

# Read a numerical command line arg between 40 and 100
$SMI -pm 1 # enable persistance mode
speed=100   # set speed

echo "Setting fan to $speed%."

# how many GPU's are in the system?
NUMGPU="$(nvidia-smi -L | wc -l)"

# loop through each GPU and individually set fan speed
n=0
while [  $n -lt  $NUMGPU ];
do
    # call nvidia-settings to enable fan control and set speed
    ${SET} -a [gpu:0]/GpuPowerMizerMode=1
    ${SET} -a [gpu:${n}]/GPUFanControlState=1 -a [fan:${n}]/GPUTargetFanSpeed=$speed --  :0 -once
    let n=n+1
done
echo "Complete"; exit 0;