Script controla fan

Link: https://forum.proxmox.com/threads/ipmi-tool-error-after-v8-upgrade.129334/page-2

#!/bin/bash

# Fancontrol v1.1 2022-09-15 15:42

# Define variables

MAX_FAN=90
MIN_FAN=20
HIGH_TEMP=37
LOW_TEMP=35
SPEED_STEP=10
IDRAC_IP=10.0.0.1
IPMI_USER=fancontrol
IPMI_PASSWORD=yoursupercomplexpassword

# Define Functions

ENABLE_FAN ()
{
 ipmitool -I lanplus -H $IDRAC_IP -U $IPMI_USER -P $IPMI_PASSWORD raw 0x30 0x30 0x01 0x00 > /dev/null 2>&1
}


GET_TEMP ()
{
 ipmitool -I lanplus -H $IDRAC_IP -U $IPMI_USER -P $IPMI_PASSWORD  sensor reading "Exhaust Temp"|sed 's/[^0-9]//g'
}


SET_FAN ()
{
 ipmitool -I lanplus -H $IDRAC_IP -U $IPMI_USER -P $IPMI_PASSWORD raw 0x30 0x30 0x02 0xff $FAN_SETTING > /dev/null 2>&1
}

# File to save the last fan speed

 [ -f fan_speed.last ] || echo $MIN_FAN > fan_speed.last

FAN_SPEED=$(<fan_speed.last)

#-----------------------------------------------------------------------------------------

CURRENT_TEMP=$(GET_TEMP)                # get the current temperature

 if (($CURRENT_TEMP > $HIGH_TEMP)) ; then
    FAN_SPEED=$(expr $FAN_SPEED + $SPEED_STEP)
     if (($FAN_SPEED > $MAX_FAN)) ; then
                FAN_SPEED=$MAX_FAN
        fi
 fi

 if (($CURRENT_TEMP < $LOW_TEMP)) ; then
     FAN_SPEED=$(expr $FAN_SPEED - $SPEED_STEP)
     if (($FAN_SPEED < $MIN_FAN)) ; then
         FAN_SPEED=$MIN_FAN
     fi
 fi

FAN_SETTING=$(printf "0x"'%x\n' $FAN_SPEED)
ENABLE_FAN
SET_FAN

logger -t FanControl "Current Temperature" $CURRENT_TEMP"C" "Fans at" $FAN_SPEED"%"
echo $FAN_SPEED > fan_speed.last

exit 0