Check Your Server Disks---Over 90% Utilization

gistfile1.txt

#!/bin/bash

#For checking disk space on our servers

#Clear Yesterday's Log

#Checking for root brought to you by Brad Arnold
if [ "$(whoami)" != "root" ]; then
echo "Not running as root. Exiting..."
echo "Please use sudo -s then run this script again as root."
exit 0
else
echo "Running as root. Good"
fi

if [ -d "./disk_logs" ]
then
    echo "Correct directory exists."
    ls -lah | grep disk_logs
else
    echo "Error: Directory ./disk_logs does not exist."
    echo "Creating Directory Now...."
    mkdir disk_logs
fi

echo "Clear yesterday's report and continue? [Y,n]"
read input
if [[ $input == "Y" || $input == "y" ]]; then
        > ./disk_logs/disk_log.txt
else
        echo "Stopping Script...."
        exit 0
fi

read -p "Press [Enter] key to check disk space on servers..."

echo "****************" >> ./disk_logs/disk_log.txt

echo "Server Disk Usage Report" >> ./disk_logs/disk_log.txt

echo "Today is $(date)" >> ./disk_logs/disk_log.txt

echo "****************" >> ./disk_logs/disk_log.txt

for HOST in `cat current_linux_server_ip_list|grep -v ^#`; do echo ${HOST}; ssh ${HOST} "hostname;df -h |grep -e '9[0-9]%'"; echo ""; done >> ./disk_logs/disk_log.txt

read -p "Press [Enter] key to finish, log file is located in disk_logs directory....."

#Will print to the local machines default printer
echo "Print this report? [Y,n]"
read input
if [[ $input == "Y" || $input == "y" ]]; then
        lpr ./disk_logs/disk_log.txt
else
        echo "Ok, you can still view the file though"
fi

echo "Email This Report To Linux Sys Admins? [Y,n]"
read input
if [[ $input == "Y" || $input == "y" ]]; then
echo "Disk Check $(date)" | mutt -a "./disk_logs/disk_log.txt" -s "Enterprise Disk Check" -- bobsmith3@gmail.com
echo "Disk Check $(date)" | mutt -a "./disk_logs/disk_log.txt" -s "Enterprise Disk Check" -- bobsmith2@gmail.com
echo "Disk Check $(date)" | mutt -a "./disk_logs/disk_log.txt" -s "Enterprise Disk Check" -- bobsmith@gmail.com
else
        echo "This script is complete."
fi

You'll need to create a file called 'current_linux_server_ip_list' with the IP addresses of the servers you would like to check.

Example:

192.168.1.1
192.168.1.2
192.168.1.3
192.168.1.4