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Full Discussion: shell script to alert cpu memory and disk usage help please
Top Forums Shell Programming and Scripting shell script to alert cpu memory and disk usage help please Post 302558078 by ahamed101 on Thursday 22nd of September 2011 04:43:30 PM
Old 09-22-2011
Code:
root@bt:~# df -H
Filesystem             Size   Used  Avail Use% Mounted on
/dev/sda4               15G   7.6G   5.8G  57% /
none                   1.1G   349k   1.1G   1% /dev
none                   1.1G    25k   1.1G   1% /dev/shm
none                   1.1G    99k   1.1G   1% /var/run
none                   1.1G      0   1.1G   0% /var/lock
none                   1.1G      0   1.1G   0% /lib/init/rw
/dev/sda7               61G    36G    25G  60% /media/Utils
/dev/sda5               17G   3.1G    14G  19% /media/Dev
/dev/sda6               38G    12G    26G  32% /media/New Volume
/dev/sda1               32G    15G    17G  47% /media



df -H | grep -vE '^Filesystem|tmpfs|cdrom' | awk '{ if( 100-$5 < 10 ) print $6  "  warning " $1 }'

this will check if available is < 10 and report the warning. What is the exact condition you want to check?

--ahamed
 

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LEARN ABOUT DEBIAN

saidar

saidar(1)						      General Commands Manual							 saidar(1)

NAME

       saidar - a curses-based tool for viewing system statistics

SYNOPSIS

       saidar [-d delay] [-c] [-v] [-h]

DESCRIPTION

       saidar  is  a  curses-based  tool for viewing the system statistics available through libstatgrab. Statistics include CPU, processes, load,
       memory, swap, network I/O, disk I/O, and file system information.

OPTIONS

       The following options are supported.

       -d DELAY
	      Wait DELAY seconds between updates (default 3)

       -c     Enables coloured output

       -v     Prints the version number

       -h     Display help and exits

COLOURED OUTPUT

       When the -c option is used saidar uses colours to display the data. Each area has a different colour to	distinguish  it  from  the  nearby
       fields. Bold and reverse video effects are used to emphasis fields where necessary.

       The  load  average  figures  are  displayed in bold when they're notably (greater that 1) different to each other. This purely shows that a
       change in the load is occurring.

       When CPU usage goes over 60% it will be displayed in bold.  At 90% the field is displayed using reverse video. Likewise	for  memory,  swap
       and disk usage at 75% and 90%. Zombie processes are also highlighted.

       Other  values  (paging,	disk  I/O  and	network  I/O) are not highlighted due to the nature of the values; it's not easy to determine what
       thresholds are significant.

SEE ALSO

       statgrab(1) statgrab(3)

AUTHORS

       This man page was written by Bartosz Fenski for the Debian GNU/Linux distribution.

WEBSITE

       http://www.i-scream.org/libstatgrab/

i-scream						   $Date: 2006/11/30 23:42:42 $ 						 saidar(1)
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