Linux

uname -a

df -g|grep "path name"|awk '{ print$field "" NF}'|While read output

df -g|grep "$pathanme|awk '{ print $field "" NF }'|while read ouput
do
Variable1=Pathname
Variable2=filesystem
If [ variable 1 -ge Limit];then
   echo "File system space is more"
else
   echo "file system is in permissable limit"
fi
done

#!/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 [ $usep -ge 90 ]; then
    echo "Running out of space \"$partition ($usep%)\" on $(hostname) as on $(date)" |
     mail -s "Alert: Almost out of disk space $usep%" you@somewhere.com
  fi
done

# cp diskAlert /etc/cron.daily/
# chmod +x /etc/cron.daily/diskAlert

crontab –e

10 0 * * * /path/to/diskAlert

 cat Diskspace_check.ksh
thd=70
Disk_space_value=`df -hP | awk -vTHD="$thd" '(NR>1 && $5 + 0 >= THD){print $NF " has Disk Space more than " THD}'`
if [[ -n $Disk_space_value ]]
then
      echo $Disk_space_value | mailx -s"Disk space report" chumma@Singh.com
fi