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Linux shell script to monitor space usage and send email

script

#!/bin/ksh
LC_ALL=C df -hP | column -t | grep -vE ‘^Filesystem|tmpfs|cdrom’ | awk ‘{ print $5 ” ” $1 }’ | while read output;
do
echo $output
usep=$(echo $output | awk ‘{ print $1}’ | cut -d’%’ -f1 )
partition=$(echo $output | awk ‘{ print $2 }’ )
if [ $usep -ge 90 ]; then
echo “Running out of space \”$partition ($usep%)\” on $(hostname) as on $(date)” |
mailx -s “Alert: Almost out of disk space $usep%” mazar@xxxx.com
fi
done

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