Crontab change and email notification

coolkid · #1 (**permalink**) 01-02-2008

Hey guys
Just need some help with crontab.Iam looking for a script that will alert particular user about its change through sendmail.We are using bash here.

--CoolKid

PxT · #2 (**permalink**) 01-02-2008

I'm sure there are many ways to do it. One would be to watch the MD5 of the file, and send a mail when it changes.

Code:

ORIGMD5=`crontab -l | md5sum`

while ( true )
do
   NEWMD5=`crontab -l | md5sum`
   if [[ "$ORIGMD5" != "$NEWMD5" ]]
   then
      echo "crontab changed" | mail you@example.com
      ORIGMD5=$NEWMD5
   fi
   sleep 60
done

coolkid · #3 (**permalink**) 01-02-2008

Thank You PXT.

coolkid · #4 (**permalink**) 01-02-2008

do we have to include the path as well of the sendmail for a group of users

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