check for crash?

[Michael Gargiullo]

-----Original Message-----
From: Israel Brewster [mailto:israel at frontierflying.com] 
Sent: Monday, November 24, 2008 1:42 PM
To: Fernando Rocha
Cc: Nagios Mailinglist
Subject: Re: [Nagios-users] check for crash?

On Nov 21, 2008, at 10:07 AM, Fernando Rocha wrote:

> Hi Israel,
>
> I think that by the check_process is hard to identify this issue,  
> because as you said the process still running and just stop to work.
>
> How do you know when it crashes?
> Is there some log occurrences?
> Does it gives some errors on the web page?

The applet in question is a status display screen. I know it has  
crashed because a) the data displayed is out of date, and b) it  
doesn't respond to user input. Since it is a passive monitoring  
system, there is no log written. No error is displayed, it just stops  
updating properly. I guess what I was hoping for was that there might  
be some indication I could get from the process list or the like that  
I simply didn't know to look for, rather than an application-specific  
check. Something along the lines of how you can check for a "zombie"  
process by looking at the output of a ps. From the responses I have  
gotten so far, however, this wouldn't appear to be the case. Thanks  
anyway!

-----------------------------------------------
Israel Brewster
Computer Support Technician
Frontier Flying Service Inc.
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7250 x293
-----------------------------------------------

Is the applet the only interface to the system?  Can you get the status
from the command line of the machine or only via a web based applet?

-Mike

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