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Top Forums Shell Programming and Scripting Need help on Linux script to monitor hard drive space Post 302394259 by ashary on Thursday 11th of February 2010 01:57:40 AM
Old 02-11-2010
for this warning " message: line 10: [: Use: integer expression expected "
i think it because bash shell cant read -gt,-lt, etc
u can use ksh so they can read it

and i've tried that script before but im using ksh shell
like this
Code:
#!/bin/ksh
# comment
ADMIN="(I have an email address here)"
ALERT=90
df -H | grep -vE '^none' | 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

hope this can help u Smilie
 

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GRUB-INSTALL(8) 							FSF							   GRUB-INSTALL(8)

NAME
grub-install - install GRUB on your drive SYNOPSIS
grub-install [OPTION] install_device DESCRIPTION
Install GRUB on your drive. -h, --help print this message and exit -v, --version print the version information and exit --root-directory=DIR install GRUB images under the directory DIR instead of the root directory --grub-shell=FILE use FILE as the grub shell --no-floppy do not probe any floppy drive --force-lba force GRUB to use LBA mode even for a buggy BIOS --recheck probe a device map even if it already exists INSTALL_DEVICE can be a GRUB device name or a system device filename. grub-install copies GRUB images into the DIR/boot directory specfied by --root-directory, and uses the grub shell to install grub into the boot sector. The grub source distribution carries this script to ease the installation of grub as a boot loader. In Suse Linux however, grub installa- tion is much better handled by Yast; use of this script is generally discouraged and therefore unsupported. Consequently, the script has been renamed to grub-install.unsupported. In order to (re-)install grub for the currently running system, simply use Yast. For an installation aiming at a differing system, the crafting of an appropriate device.map and grub shell script is strongly advised, e.g. "grub --batch --device-map=target-device.map < tar- get-grub.conf" SEE ALSO
The full documentation for grub-install is maintained as a Texinfo manual. If the info and grub-install programs are properly installed at your site, the command info grub-install should give you access to the complete manual. grub-install (GNU GRUB 0.97) May 2005 GRUB-INSTALL(8)
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