Linux cpu monitoring

readme.md

CPU monitoring

5 seconds average, threshold: 90%

#!/bin/bash

CPU=$(sar 1 5 | grep "Average" | sed 's/^.* //')
CPU=$( printf "%.0f" $CPU )

if [ "$CPU" -lt 10 ]
then
        echo "CPU usage is high!" | sendmail [email protected]
fi

run every minute

* * * * * /path/to/cpu-alert.sh