Shell Programming and Scripting

df -g | awk '+$4 >= 70 {print}' | grep -v Filesystem > report.txt
if [ ! -s report.txt ]
then
    echo "No issues to report."
else
    echo "Filesystems at least 70% full"
    cat report.txt
fi

df -g | awk 'NR>1&&($4+0)>70' > report.txt

if [ -s report.txt ]
then
        echo "Filesystems above 70% utilization"
        cat report.txt
else
        echo "No filesystems found above 70% utilization"
fi

df -g | awk 'NR>1&&($4+0)>70' > report.txt

if [ -s report.txt ]
then
        echo "Filesystems above 70% utilization"
        cat report.txt
else
        echo "No filesystems found above 70% utilization"
fi

#!/bin/bash 
# Do not show the titles of columns:
df -H | grep -vE '^Filesystem' | awk '{ print $5 " " $1 }' | while read output; 
do 
  usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  ) 
  partition=$(echo $output | awk '{ print $2 }' ) 
  if [ $usep -ge 90 ]; then 
    # Here you can either display a message to the screen or log the results to a file 
    echo "Running out of space $partition ($usep%) on $(hostname) as on $(date +%Y%m%d)" 
  fi 
done

#Report file format for all the servers to grep the threshold reached files ( Script name : Report.sh)
df -g | awk 'NR>1&&($4+0)>70' > report010.txt 
if [ -s report151.txt ]
then
        cat report010.txt >> report010.txt
else
                echo "No file systems found above 70% utilization on the server `hostname`">>report010.txt
fi

#Concatenating all reports in one mail (Script name: Mail.sh)
echo > blank_line
echo “The list of File systems that reached threshold were given below” > mailbody.txt
echo “---------------------------------------------------------------------------------“>>mailbody.txt
cat report010.txt blank_line report011.txt >>mailbody.txt|mailx -s "Disk space Report-$(date +'%A %B %d, %Y')” –r “DSReport@office.com” hariharan.s@office.com

From: DSReport@office.com [mailto:DSReport@office.com] 
Sent: Thursday, August 08, 2013 6:33 PM
To: Sundaram, Hariharan
Subject: Disk space Report-Thursday August 08, 2013
 
The list of File systems that reached threshold were given below
--------------------------------------------------------------
Disk space report for vathpubs010
/dev/hd2           5.88      1.76   71%    61014    13% /usr
/dev/fnetwebc_lv      2.00      0.34   84%     3558     5% /opt/IBM/FileNet/WebClient
 
Disk space report for vathpubs011
/dev/fnetwebc_lv      2.00      0.34   84%     3558     5% /opt/IBM/FileNet/WebClient
 
No Issues to report for the server vathpubs012
 
No Issues to report for the server vathpubs013
 
No Issues to report for the server vathpubs014
 
Disk space report for vathpubs015
/dev/fnetwebc_lv      2.00      0.34   84%     3558     5% /opt/IBM/FileNet/WebClient
 
Disk space report for vathpubs016
/dev/fnetwebc_lv      2.00      0.34   84%     3558     5% /opt/IBM/FileNet/WebCli
 
No Issues to report for the server vathpubs017
 
No Issues to report for the server vathpubs018