vim /home/diskAlert
—-
 #!/bin/sh
df -H | 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 [ $usep -ge 50 ]; then
    echo “Running out of space \”$partition ($usep%)\” on $(hostname) as on $(date)” |
     mail -s “Alert: Server1 disk space usage is now passing $usep%” [email protected]
  fi
done
—-
crontab -e
—-
10 0 * * * /home/diskAlert