Script for Disk usage - Printable Version +- Hackonology Forums (https://hackonology.com/forum) +-- Forum: Technology & Configuration (https://hackonology.com/forum/forumdisplay.php?fid=3) +--- Forum: Configuration Scripts (https://hackonology.com/forum/forumdisplay.php?fid=6) +--- Thread: Script for Disk usage (/showthread.php?tid=18) |
Script for Disk usage - SysAdmin - 08-25-2020 This script will be useful to analyze the disk usage and if the reported disk space is more than 90 % an email will be sent to the administrator. #!/bin/sh # set -x # Shell script to monitor or watch the disk space # It will send an email to $ADMIN, if the (free available) percentage of space is >= 90%. # ------------------------------------------------------------------------- # Set admin email so that you can get email. ADMIN="root" # set alert level 90% is default ALERT=90 # Exclude list of unwanted monitoring, if several partions then use "|" to separate the partitions. # An example: EXCLUDE_LIST="/dev/hdd1|/dev/hdc5" EXCLUDE_LIST="/auto/ripper" # #:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: # function main_prog() { while read output; do #echo $output usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1) partition=$(echo $output | awk '{print $2}') if [ $usep -ge $ALERT ] ; then echo "Running out of space \"$partition ($usep%)\" on server $(hostname), $(date)" | \ mail -s "Alert: Almost out of disk space $usep%" $ADMIN fi done } if [ "$EXCLUDE_LIST" != "" ] ; then df -H | grep -vE "^Filesystem|tmpfs|cdrom|${EXCLUDE_LIST}" | awk '{print $5 " " $6}' | main_prog else df -H | grep -vE "^Filesystem|tmpfs|cdrom" | awk '{print $5 " " $6}' | main_prog fi |