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Script for validation


 
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# 1  
Old 08-19-2013
Script for validation

Hi,

I need a script which do below

I have one process which runs 24*7 daily and I always has to monitor it now i want to have this automated such that if it stops at anytime we get a exception mail.

For example i use ps -ef|grep 'etl'
above command gives me the desired output.

What i am thinking is like to run this script using cron which will run in evry 5 minutes.

So i need a validation script which works like if my process stops it will throw an exception via mail and will be able to start it immediately.

Please advise.

Many thanks in advance
# 2  
Old 08-19-2013
I would try this:
Code:
ps -ef | grep test | grep -v grep
if [ $?==1 ] then; echo "test does not work" |mail -s "confirmation" my@address.com; fi

But I am sure there is more elegant way Smilie

Last edited by Franklin52; 08-19-2013 at 08:31 AM.. Reason: Please use code tags
This User Gave Thanks to smoofy For This Post:
# 3  
Old 08-19-2013
Hi Thanks for the suggestion.

I would try this. Meanwhile could you please help me in understand the command you use below

ps -ef | grep test | grep -v grep
# 4  
Old 08-19-2013
Code:
ps - ef

- lists processes
Code:
grep test

- print output lines that contain "test"
Code:
grep -v grep

- excludes the "grep test" process you ran earlier from the list
This User Gave Thanks to capitanui For This Post:
# 5  
Old 08-19-2013
Hi,

I tried run your script but it is giving me below error

Code:
 
: syntax error at line 5: `fi' unexpected

Please help
# 6  
Old 08-19-2013
Your script should look something like this :

Code:
#!/bin/bash

#Get the number of processes containing etl running
VAR=`ps -ef | grep 'etl' | grep -v grep | wc -l`

#Verify if VAR >= 1
if [ $VAR -lt 1 ]; then
        echo "Problem -  No etl process running" | mail -s "No process Alert" email@address.com
fi

#END

This User Gave Thanks to capitanui For This Post:
# 7  
Old 08-19-2013
Excellent It worked.

Thanks for your help

---------- Post updated at 09:15 AM ---------- Previous update was at 08:01 AM ----------

Hi Could you please help me to understand the script you made

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Test Your Knowledge in Computers #69
Difficulty: Easy
Grep stands for 'global regular expression process'.
True or False?

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