Linux: email alert when disk is nearly full
30/09/2009#!/bin/bash # Send an email when disk space used reaches a certain threshold FS="/" SERVER_NAME="linux02" EMAIL="user@example.com" THRESHOLD=95 OUTPUT=($(LC_ALL=C df -P ${FS})) CURRENT=$(echo ${OUTPUT[11]} | sed 's/%//') [ $CURRENT -gt $THRESHOLD ] && df -h | mail -s "$SERVER_NAME disk space alert: $CURRENT% full" $EMAIL
I’ve set this up as a cron job run at 3am daily:
0 3 * * * ./root/maintenance/check_free_space.sh
Based upon http://www.cyberciti.biz/faq/mac-osx-unix-get-an-alert-when-my-disk-is-full/
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