This is a small shell script to monitor CPU usage. IF the cpu usage is more than 75% then send an e-mail to respective teams.
#!/bin/bash
#Author: Surendra Kumar Anne
#Purpose: To monitor the CPU usage
#Date:2012-04-13
SUBJECT="WARNING CPU USAGE HIGH"
TO=yourteam@companiesemailcom
MESSAGE=/tmp/messages
echo "#######################" > $MESSAGE
echo "CPU statistics as follows.." >> $MESSAGE
mpstat >> $MESSAGE
echo "#######################" >> $MESSAGE
CPU_USAGE=$(top -b -n1 | awk '/^Cpu/ {print $2}' | cut -d. -f1)
[ $CPU_USAGE -gt 75 ] && mail -s "$SUBJECT" "$TO" < $MESSAGE
Once the above script is written and given execute permissions keep this script in crontab which runs for every 1min or 5mins.
0-59 * * * * bash /pathtoscript.sh
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Mr Surendra Anne is from Vijayawada, Andhra Pradesh, India. He is a Linux/Open source supporter who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. He works as Devops Engineer with Taggle systems, an IOT automatic water metering company, Sydney . You can contact him at surendra (@) linuxnix dot com.
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