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keep mail command active inside a script on unix

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# 1  
Old 10-19-2010
keep mail command active inside a script on unix
well, I have a script with this code inside:

Code:
nohup  /usr/sbin/auditstream | /usr/sbin/auditselect -m -e "event== USER_Create || event== USER_Remove || event== USER_Change || event== GROUP_Create || event== GROUP_Remove || event== GROUP_Change || event== PASSWORD_Change " | /usr/sbin/auditpr -h elrtRc -t2 -v | tee -a /var/syslog/auditalerts.log | mail -s "AUDITALERT: Alert on `hostname`" user@domain &

This code doesn't work, I want to keep audit alerts on a file and generate en email (only once) whenever an event is generated. I used nohup & becuase I need this code running all the time.

Any idea from you guys? :-)

NOTE: This runs on AIX6.1

Thanks
Regards
Israel.
# 2  
Old 10-19-2010
Does it surprise you?
How will mail know when to send?
# 3  
Old 10-19-2010
Hi vbe,

No, it's not a surprise.. but I want to to look for possibles ways to get mail running only when a new event are generated. I've tested several commands but no success.
Last edited by iga3725; 10-19-2010 at 01:57 PM..
# 4  
Old 10-19-2010
The new event would be noticeable by the timestamp of the log change...
# 5  
Old 10-19-2010
First, nohup should be to a wrapper script, so every process on the pipe is nohup.

Let's assume that mess only produces output when there is a problem. I folded it, just couldn't help myself, sorry! Smilie

A time stamp in the email subject might be good, too! The stuff sometimes stops for a beer before showing up, or causes a panic when misfiled back to the inbox.

Code:
while [ 1 ] # or crontab
do

zmsg=$(
/usr/sbin/auditstream |\
 /usr/sbin/auditselect -m -e "\
  event== USER_Create ||\
  event== USER_Remove ||\
  event== USER_Change ||\
  event== GROUP_Create ||\
  event== GROUP_Remove ||\
  event== GROUP_Change ||\
  event== PASSWORD_Change\
  " |\
 /usr/sbin/auditpr -h elrtRc -t2 -v
)

if [ "$zmsg" != "" ]
then
 echo "$zmsg"  | tee -a /var/syslog/auditalerts.log | mail -s "AUDITALERT: Alert on `hostname`" user@domain
fi

sleep 9

done

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