Question

cgi script to display disk space, topas and vmstat output in a html page.

Asked by: k_satish22

Hello Experts,
I am very new to cgi and perl script and I had a requirement of displaying disk space, topas and vmstat output in a html page. This will help my team in checking the system health without loggin to the server. We have IBM HTTP Server installed on most of the servers. Can you please help me...  

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Asked On
2009-11-07 at 12:44:53ID24880841
Topics

IBM Websphere Application Server

,

CGI Scripting

Participating Experts
2
Points
500
Comments
6

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Answers

 

by: TintinPosted on 2009-11-07 at 13:39:28ID: 25768177

Well, if you don't want fancy formatting....

#!/bin/sh
echo "Content-Type: text/plain"
echo
vmstat ...
topas ..
df ...
                                              
1:
2:
3:
4:
5:
6:

Select allOpen in new window

 

by: k_satish22Posted on 2009-11-08 at 14:43:28ID: 25772359

Thanks Tintin,

However, I want some fancy formatting. And I want my script to feach same information from different servers.

 

by: Adam314Posted on 2009-11-23 at 08:57:46ID: 25889301

How are you going to get the data from different servers?

 

by: k_satish22Posted on 2009-11-23 at 08:59:06ID: 25889321

using ssh keys...

 

by: Adam314Posted on 2009-11-23 at 09:16:12ID: 25889470

Formatting everything nicely will be a decent amount of work - more than you typically get here.  I'll give you some suggestions, but will not be able to develop the entire program for you.

You can capture the data you need using the program you want, and backticks to get the data in to perl.  Eg:
    my $vmstat_local = `vmstat`;
    my $vmstat_host1 = `ssh host1 vmstat`;
You can then parse that, and reformat it for display however you want.

You might be able to find a module that does some of this work for you.  Take a look on CPAN.  http://search.cpan.org/

When I'm developing an HTML page that perl is generating, I use the Template Toolkit, accessed through the Template module.  With this module, you write your HTML page in HTML, and put placeholders where the data will go.  Using the Template module and whatever perl code you want to get the data, you fill in the template, and display the results to the client (web browser).
http://search.cpan.org/~abw/Template-Toolkit-2.22/lib/Template.pm
http://template-toolkit.org/

20120131-EE-VQP-002

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