Shell Programming and Scripting

Hi
I am writing a script to get the CPU and memory utilization periodically from glance command.
Wrote a script which consists of below two lines
Script name : Utilization.sh

Code:

#!/bin/sh
glance -iterations 1 | sed -n '/Util/p/'| awk '!/Disk/'| awk '!/Swap/' >> file.txt

I am able to run the above manually from user home directory.But for some reason this script is not running when I schedule it in crontab.

I even tried executing glance from /opt/perf/bin/glance....did not work
I am using HP-UX 11i
Can some one help me on this?

In your script, try specify the full path to glance and the file.txt and ensure you have the privilege to execute and write to

In crontab entry, you can set stderr to a file so that could understand why it is not getting executed.

tried giving the full path ...still no result.

glance in /opt/perf/bin has -r-sr-xr-x permissions...

Problem comes when i am scheduling the script in cron...manual run is giving the required output.

Could you specify the cron job syntax .

Use full paths for *every* binary you use (note: locations may differ from the below example):

Code:

/opt/per/bin/glance <...> | /usr/bin/sed <...> | /bin/awk <...> | /bin/awk <...>

Also, piping sed into awk and then into another awk is probably a bad idea and could be optimized in a single awk statement.

Hi All,

I got a solution ...
Glance should be used in adviser_only/aos mode to run in background using a script.

Code:

/opt/perf/bin/glance -aos ./command_file -iterations 2 >> ./cpu.csv

command_file

Code:

print "CPU total:" , gbl_cpu_total_util_cum|3|0, "% Mem Cum:",gbl_mem_util_cum|3|0,"%"

This is giving me the output :
CPU total: 87% Mem Cum: 86%
CPU total :64% Mem Cum: 86%