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#10 Re: Keeping track of disk space Posted by VLegacy (69.243.xx.xx) on Tue 1 Aug 2006 at 04:39 I wrote this tiny script to check my disk space and email me if a partition filled up above 90%. I placed it under /etc/cron.hourly/. #!/usr/bin/env bash # loop over each device name culled from df with grep, excluding tmpfs entries # the device name is stored in $dev for dev in `df | grep -v tmpfs | egrep -o ^/dev/[[:alnum:]]\{3,4\}`; do used=`df | grep ^$dev | egrep -o [0-9]\{1,2\}% | egrep -o [0-9]\{1,2\}` # the percent of space used is stored in $used fs=`df | grep ^$dev | egrep -o /[[:alpha:]/]*$` # the mount point is stored in fs if [ $used -ge 90 ]; then # if more than 90% of space is used echo "$dev ($fs) is $used% full." | mail -s "$dev is low on free space." root # send a warning email to root fi done I'm sure it could be improved upon, but it's simple, and it does what I needed it to do.

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