Forum.HaveTheKnowHow.com

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sudo vim /etc/default/grub

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update-grub

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To: ToEmail@SomeAddress.com
From: FromEmail@SomeAddress.com
Subject: CPU/Drive Temperature Exceeded



The server has shut down!

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if [ ${newstr} -ge $2 ]
  then
    echo '============================'
    echo ''
    echo 'CRITICAL: TEMPERATURE CORE' $i 'EXCEEDED' $2 '=>' $newstr
    echo ''
    echo '============================'
    /sbin/shutdown -h now
    /usr/sbin/ssmtp myemail@myaddress.com </home/htkh/MyScripts/msg.txt
    echo 'Email Sent.....'
    exit

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#!/bin/bash
# PURPOSE: Script to check temperature of CPU cores and report/shutdown if spe$
#
# AUTHOR: feedback[AT]HaveTheKnowHow[DOT]com; modified by anp :)

# Expects two arguments:
#    1. Warning temperature
#    2. Critical shutdown temperature
#    eg. using ./CPUTempShutdown.sh 30 40
#        will warn when temperature of one or more cores hit 30degrees and shu$

# NOTES:
# Change the strings ">>/home/htkh" as required
# Substitute string "myemail@myaddress.com" with your own email address in the$

# Assumes output from sensors command is as follows:
#
# coretemp-isa-0000
# Adapter: ISA adapter
# Core 0:      +35.0 C  (high = +78.0 C, crit = +100.0 C)  
#
# coretemp-isa-0001
# Adapter: ISA adapter
# Core 1:      +35.0 C  (high = +78.0 C, crit = +100.0 C) 
#
# if not then modify the commands str=$(sensors | grep "Core $i:") & newstr=${$

echo "JOB RUN AT $(date)"
echo "======================================="

echo ''
echo 'CPU Warning Limit set to => '$1
echo 'CPU Shutdown Limit set to => '$2
echo ''
echo ''

#sensors

echo ''
echo ''

for i in 0 1
do

  str=$(sensors | grep "Core $i:") #get string with Core from sensors
  newstr=${str:15:2} #truncate the string to first two digits of temperature

  #First check if the temperature is critical.
  if [ ${newstr} -ge $2 ]
  then
    echo '============================'
    echo ''
    echo 'CRITICAL: TEMPERATURE CORE' $i 'EXCEEDED' $2 '=>' $newstr
    echo ''
    echo '============================'
    #
    #Creating message:
    echo 'From: YourMail@gmail.com' >/home/USER_NAME/MyScripts/msg.txt
    echo 'Subject: CRITICAL server temperature' >>/home/USER_NAME/MyScripts/msg.txt
    echo '' >>/home/USER_NAME/MyScripts/msg.txt
    echo "CPU core "$i" reached critical temperature of "$newstr" at $(date). Server was shut down." >>/home/USER_NAME/MyScripts/msg.txt
    /usr/sbin/ssmtp YourMail@gmail.com </home/USER_NAME/MyScripts/msg.txt
    echo 'Email Sent.....'
    /sbin/shutdown -P now
    exit
  #Now check if the temperature just exeeds normal
    elif [ ${newstr} -ge $1 ]
    then
      echo 'From: YourMail@gmail.com' >/home/USER_NAME/MyScripts/msg.txt
      echo 'Subject: Warning Server temperature' >>/home/USER_NAME/MyScripts/msg$
      echo '' >>/home/USER_NAME/MyScripts/msg.txt
      echo "CPU core "$i" reached high temperature of "$newstr" at $(date)." >>/home/USER_NAME/MyScripts/msg.txt
      /usr/sbin/ssmtp YourMail@gmail.com </home/USER_NAME/MyScripts/msg.txt
      echo 'Email Sent.....'
    else
  #OK, temperature within normal limit 
      echo ' Temperature Core '$i' OK at =>' $newstr
      echo ''
  fi

done

echo 'Script completed'
echo ''

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#!/bin/bash
# PURPOSE: Script to check temperature of CPU cores and CPU fan speed and report/shutdown if specified temperatures exceeded
# or CPU fan does not work.

# AUTHOR: feedback[AT]HaveTheKnowHow[DOT]com; modified by anp :)
#
# Expects two arguments:
#    1. Warning temperature
#    2. Critical shutdown temperature
#    3. Critical low fan speed
#    eg. using ./CPUTempShutdown.sh 30 40 1900
#        will warn when temperature of one or more cores hit 30degrees
#        and shutdown when either hits 40degrees, or CPU fan speed is lower
#	 than 1900 rpm.


# NOTES:
# Change the strings ">>/home/htkh" as required
# Substitute string "myemail@myaddress.com" with your own email address in the string which starts "/usr/sbin/ssmtp myemail@myaddress.com"

# Assumes output from sensors command is as follows:
#
# coretemp-isa-0000
# Adapter: ISA adapter
# Core 0:      +35.0 C  (high = +78.0 C, crit = +100.0 C)  
#
# coretemp-isa-0001
# Adapter: ISA adapter
# Core 1:      +35.0 C  (high = +78.0 C, crit = +100.0 C) 
#
# if not then modify the commands str=$(sensors | grep "Core $i:") & newstr=${str:14:2} below accordingly

echo "JOB RUN AT $(date)"
echo "======================================="

echo ''
echo 'CPU Warning Limit set to => '$1
echo 'CPU Shutdown Limit set to => '$2
echo 'CPU fan rpm limit set to =>' $3
echo ''
echo ''

#sensors

#check CPU fan speed:
cpufan=$(sensors | grep "CPU FAN Speed:")
cpufan_t=${cpufan:20:4}

if [ ${cpufan_t} -lt $3 ]
  then
    #Creating message:
    echo 'From: myemail@myaddress.com' >/home/htkh/MyScripts/msg.txt
    echo 'Subject: CRITICAL CPU fan speed' >>/home/htkh/MyScripts/msg.txt
    echo '' >>/home/htkh/MyScripts/msg.txt
    echo "CPU fan speed was "$cpufan_t "at $(date). Server was shutdown" >>/home/htkh/MyScripts/msg.txt
    /usr/sbin/ssmtp myemail@myaddress.com </home/htkh/MyScripts/msg.txt
    echo 'Email Sent.....'
    /sbin/shutdown -P now

    echo '============================'
    echo ''
    echo 'CPU fan speed is too low at' $cpufan_t
    echo ''
    echo '============================'
    exit
  else
    echo ' CPU fan speed is OK at' $cpufan_t
    echo ''
fi

#check CPU temperature
for i in 0 1
do

  str=$(sensors | grep "Core $i:") #get string with Core from sensors
  newstr=${str:15:2} #truncate the string to first two digits of temperature

  #First check if the temperature is critical.
  if [ ${newstr} -ge $2 ]
  then
    echo '============================'
    echo ''
    echo 'CRITICAL: TEMPERATURE CORE' $i 'EXCEEDED' $2 '=>' $newstr
    echo ''
    echo '============================'
    #
    #Creating message:
    echo 'From: myemail@myaddress.com' >/home/htkh/MyScripts/msg.txt
    echo 'Subject: CRITICAL CPU temperature' >>/home/htkh/MyScripts/msg.txt
    echo '' >>/home/htkh/MyScripts/msg.txt
    echo "CPU core "$i" reached critical temperature of "$newstr" at $(date). Server was shut down." >>/home/htkh/MyScripts/msg.txt
    /usr/sbin/ssmtp myemail@myaddress.com </home/htkh/MyScripts/msg.txt
    echo 'Email Sent.....'
    /sbin/shutdown -P now
    exit

  #Now check if the temperature just exeeds normal
    elif [ ${newstr} -ge $1 ]
    then
      echo 'From: myemail@myaddress.com' >/home/htkh/MyScripts/msg.txt
      echo 'Subject: Warning High CPU temperature' >>/home/htkh/MyScripts/msg.txt
      echo '' >>/home/htkh/MyScripts/msg.txt
      echo "CPU core "$i" reached high temperature of "$newstr" at $(date)." >>/home/htkh/MyScripts/msg.txt
      /usr/sbin/ssmtp myemail@myaddress.com </home/htkh/MyScripts/msg.txt
      echo 'Email Sent.....'
    else

  #OK, temperature within normal limit 
      echo ' Temperature Core '$i' OK at =>' $newstr
      echo ''
  fi

done

echo 'Script completed'
echo ''