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Shell script to notify of service down

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# 1  
Old 06-06-2014
Shell script to notify of service down
Hi All

I am trying to write a shell script that will notify via email if a particular service is down. What I have so far is a script in
Code:
cron

like his:
Code:
#!/bin/sh
cd /usr/jdk/instances/jdk1.6.0/bin/sparcv9
jps -m

And the output of the above is

Code:
 81529 Jps
  52988 TaskControllerService
  52670 StreamControllerService

But what I would like to receive is an email with the following heading:

Code:
"Service name" "Value"

where
Code:
"Value"

is either
Code:
online

or
Code:
offline

.
# 2  
Old 06-06-2014
Here is one way of doing it:
Code:
#!/bin/ksh

for service in TaskControllerService StreamControllerService
do
        if /usr/jdk/instances/jdk1.6.0/bin/sparcv9/jps | /usr/sfw/bin/ggrep -q "$service"
        then
                print "$service online"
        else
                print "$service offline"
        fi
done > mail_body

mailx -s "Subject" user@domain.com < mail_body

If you don't have ggrep replace that line with:
Code:
if /usr/jdk/latest/bin/sparcv9/jps | grep "$service" 1>/dev/null 2>/dev/null

This User Gave Thanks to Yoda For This Post:
fretagi
# 3  
Old 06-06-2014
You don't need the GNU utilities version of grep to use the -q option. It has been in the formal standards for more than two decades and in the SVID and X/Open Portability Guides quite a while before there were formal standards for UNIX and UNIX-like system utilities.
# 4  
Old 06-06-2014
Don, the grep in /usr/bin/ on Solaris does not support -q option: grep manual
Code:
/usr/bin/grep [-bchilnsvw] limited-regular-expression
	    [filename]...

# 5  
Old 06-06-2014
It is there in /usr/xpg4/bin/grep and /usr/xpg6/bin/grep. In theory, -q support should have been added to /usr/bin/grep when /usr/xpg4/bin/grep was created (since adding that option would not break any correct use of grep before that option was added), but that didn't always happen.
# 6  
Old 06-09-2014
Hi

It worked fine, after changing the
Code:
if

statement to avoid the
Code:
ggrep

.
Thank you very much
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