CentOS - Jul 2008 - script

Hi ALL


#!/bin/sh
# Shell script to monitor or watch the disk space
# It will send an email to $ADMIN, if the (free avilable) percentage
# of space is >= 90%
# -------------------------------------------------------------------------
# Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/>
# This script is licensed under GNU GPL version 2.0 or above
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# ----------------------------------------------------------------------
# Linux shell script to watch disk space (should work on other UNIX oses )
# SEE URL:
http://www.cyberciti.biz/tips/shell-script-to-watch-the-disk-space.html
# set admin email so that you can get email
ADMIN="me at somewher.com"
# set alert level 90% is default
ALERT=90
df -H | grep -vE '^Filesystem|tmpfs|cdrom' | awk '{ print $5 "
" $1 }' |
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
$(hostname) as on
$(date)" |
     mail -s "Alert: Almost out of disk space $usep" $ADMIN
  fi
done


Am trying to run the above script on my machine, it gave the following error
[root at linux8 script]# ./disk_monitor.sh
./disk_monitor.sh: line 23: [: /dev/mapper/VolGroup00-LogVol00: integer
expression expected
./disk_monitor.sh: line 23: [: /: integer expression expected

Any help?

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Mad Unix wrote:
...
> df -H | grep -vE '^Filesystem|tmpfs|cdrom' | awk '{ print $5
" " $1 }' |
Try changing "df -H" into "df -H -P"

Mogens
-- 
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: mk at crc.dk Homepage: http://www.crc.dk

Mad Unix wrote:

I suggest make it a little bit lighter:
inline corrections:
> #!/bin/sh
> # Shell script to monitor or watch the disk space
> # It will send an email to $ADMIN, if the (free avilable) percentage
> # of space is >= 90%
> # -------------------------------------------------------------------------
> # Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/>
> # This script is licensed under GNU GPL version 2.0 or above
> # -------------------------------------------------------------------------
> # This script is part of nixCraft shell script collection (NSSC)
> # Visit http://bash.cyberciti.biz/ for more information.
> # ----------------------------------------------------------------------
> # Linux shell script to watch disk space (should work on other UNIX oses )
> # SEE URL: 
> http://www.cyberciti.biz/tips/shell-script-to-watch-the-disk-space.html
> # set admin email so that you can get email
> ADMIN="me at somewher.com <mailto:me at somewher.com>"
> # set alert level 90% is default
> ALERT=90
df -HP | grep -vE '^Filesystem|tmpfs|cdrom' |
  while read partition size used free perc mnt ;
  do
    usep=$(echo $perc | tr -d '%' )
    if [ $usep -ge $ALERT ]; then
      echo "Running out of space \"$partition ($usep%)\" on
$(hostname) as
  on $(date)" |
       mail -s "Alert: Almost out of disk space $usep" $ADMIN
    fi
  done


it works for me.

On Mon, Jul 28, 2008 at 3:33 AM, Mad Unix <madunix at gmail.com>
wrote:
>
>
> Hi ALL
>
>
> #!/bin/sh
> # Shell script to monitor or watch the disk space
I use this one-liner:

df -P| awk '$5+0>90{print $0|"mutt -s df-k@`hostname` user at
domain.com"}'

Probably, you should add -t ext3 to avoid reporting nfs or other
special filesystems...

--
Marcelo

"?No ser? acaso que ?sta vida moderna est? teniendo m?s de moderna que
de vida?" (Mafalda)