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#!/bin/bash

#Set temperatur which should not be reached. If at least one of the GPUs reaches this temp the fan speed will be increased
MAX_TEMP=70
#Define fan speed increase step in percent
STEP=5
#Define minimum fan speed in %
MIN_SPEED=40
#Logfile to write to
LOGFILE=[YOUR_LOGFILE]

CURRENT_FAN_SPEED=0

NVIDIA_EXEC=/usr/bin/nvidia-smi
NVIDIA_OPTS_QUERY_TEMP="--query-gpu=temperature.gpu --format=csv,noheader"
NVIDIA_OPTS_QUERY_FANSPEED="--query-gpu=fan.speed --format=csv,noheader"

ECHO=/usr/bin/echo
HEAD=/usr/bin/head
AWK=/usr/bin/awk
DATE=/usr/bin/date
SORT=/usr/bin/sort

XINIT_CMD="/usr/bin/xinit /usr/bin/nvidia-settings -a GPUFanControlState=1 -a GPUTargetFanSpeed=%s"

function log() {
        echo `$DATE` " -- $1" >> $LOGFILE
}

function queryCurrentFanSpeed() {
        CURRENT_FAN_SPEED=`$NVIDIA_EXEC $NVIDIA_OPTS_QUERY_FANSPEED | $HEAD -1 | $AWK '{print $1}'`
}

log "==== START ===="
queryCurrentFanSpeed
log "Current fan speed: $CURRENT_FAN_SPEED %"

if [ "$CURRENT_FAN_SPEED" -eq "100" ]; then
        log "Not able to increase fan speed because max is reached. Exiting!"
        exit 0
fi

HIGHEST_TEMP="`$NVIDIA_EXEC $NVIDIA_OPTS_QUERY_TEMP | $SORT -r | $HEAD -1`"
TEMP_ZONE=$((MAX_TEMP-5))

log "Highest current temperature: $HIGHEST_TEMP"
if [ "$HIGHEST_TEMP" -ge "$MAX_TEMP" ]; then
        log "One GPU reached max temp ($MAX_TEMP). Increasing fan speed with $STEP% for all GPUs"
        NEW_FAN_SPEED=$((CURRENT_FAN_SPEED+STEP))
        XINIT_CMD=$($PRINTF "$XINIT_CMD" $NEW_FAN_SPEED)
        log "Executing: $XINIT_CMD"
        NULL=`$XINIT_CMD 2>&1`
else
        log "GPU max temp not reached"
        if [ "$HIGHEST_TEMP" -ge "$TEMP_ZONE" ]; then
                log "Not lowering fan speed because current temp ($HIGHEST_TEMP) is in configured temp zone ($TEMP_ZONE <= $HIGHEST_TEMP < $MAX_TEMP)"
        else
                log "Checking if lowering speed will fall under minimum speed ($MIN_SPEED%)"
                NEW_SPEED=$((CURRENT_FAN_SPEED-STEP))
                if [ "$NEW_SPEED" -ge "$MIN_SPEED" ]; then
                        log "New speed will be $NEW_SPEED%. Lowering!"
                        XINIT_CMD=$($PRINTF "$XINIT_CMD" $NEW_SPEED)
                        log "Executing: $XINIT_CMD"
                        NULL=`$XINIT_CMD 2>&1`
                else
                        log "Not lowering fan speed"
                fi
        fi
fi
log "==== END ===="

Fri Mar 30 07:45:01 CEST 2018  -- ==== START ====
Fri Mar 30 07:45:01 CEST 2018  -- Current fan speed: 60 %
Fri Mar 30 07:45:01 CEST 2018  -- Highest current temperature: 69
Fri Mar 30 07:45:01 CEST 2018  -- GPU max temp not reached
Fri Mar 30 07:45:01 CEST 2018  -- Not lowering fan speed because current temp (69) is in configured temp zone (65 <= 69 < 70)
Fri Mar 30 07:45:01 CEST 2018  -- ==== END ====
Fri Mar 30 07:50:01 CEST 2018  -- ==== START ====
Fri Mar 30 07:50:01 CEST 2018  -- Current fan speed: 60 %
Fri Mar 30 07:50:01 CEST 2018  -- Highest current temperature: 70
Fri Mar 30 07:50:01 CEST 2018  -- One GPU reached max temp (70). Increasing fan speed with 5% for all GPUs
Fri Mar 30 07:50:01 CEST 2018  -- Executing: /usr/bin/xinit /usr/bin/nvidia-settings -a GPUFanControlState=1 -a GPUTargetFanSpeed=65
Fri Mar 30 07:50:07 CEST 2018  -- ==== END ====
Fri Mar 30 07:55:01 CEST 2018  -- ==== START ====
Fri Mar 30 07:55:01 CEST 2018  -- Current fan speed: 65 %
Fri Mar 30 07:55:01 CEST 2018  -- Highest current temperature: 68
Fri Mar 30 07:55:01 CEST 2018  -- GPU max temp not reached
Fri Mar 30 07:55:01 CEST 2018  -- Not lowering fan speed because current temp (68) is in configured temp zone (65 <= 68 < 70)
Fri Mar 30 07:55:01 CEST 2018  -- ==== END ====
.
.
.
Fri Mar 30 11:26:01 CEST 2018  -- ==== START ====
Fri Mar 30 11:26:01 CEST 2018  -- Current fan speed: 70 %
Fri Mar 30 11:26:01 CEST 2018  -- Highest current temperature: 64
Fri Mar 30 11:26:01 CEST 2018  -- GPU max temp not reached
Fri Mar 30 11:26:01 CEST 2018  -- Checking if lowering speed will fall under minimum speed (40%)
Fri Mar 30 11:26:01 CEST 2018  -- New speed will be 65%. Lowering!
Fri Mar 30 11:26:01 CEST 2018  -- Executing: /usr/bin/xinit /usr/bin/nvidia-settings -a GPUFanControlState=1 -a GPUTargetFanSpeed=65
Fri Mar 30 11:26:06 CEST 2018  -- ==== END ====

*/5 * * * *     [YOUR_PATH]/gpuTempControl.bash

Cuda error in func 'quark_blake512_cpu_setBlock_80' at line 701 : unspecified launch failure.

[Unit]
Description=CCMiner
After=syslog.target network.target
StartLimitBurst=10
StartLimitIntervalSec=120

[Service]
Type=simple
ExecStart=/usr/bin/screen -S ccminer -L -Logfile /home/miner/ccminer.log -Dm /home/miner/ccminer-xevan/ccminer -a xevan -o [STRATUM_URL] -u [USERNAME] -p x --api-remote -q --no-color --api-bind=192.168.178.10:4068
ExecStop=/usr/bin/killall ccminer
User=miner
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target