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Full Discussion: crontab or looping script to Kill process from user
Top Forums UNIX for Dummies Questions & Answers crontab or looping script to Kill process from user Post 302286014 by Meert on Tuesday 10th of February 2009 05:58:46 AM
Old 02-10-2009
crontab or looping script to Kill process from user
I am looking for a way to kill 2 processes from a user through some kind of script.

Using an oracle script, I get two process ids that need to be killed.

Code:
SQL> select ssn.process as client_process_id, pcs.spid as oracle_process_id, ssn.sid, ssn.serial#
  2  from v$session ssn inner join v$process pcs on (pcs.addr = ssn.paddr) where ssn.module = 'MARC_RFD248';

CLIENT_PR ORACLE_PR        SID    SERIAL#
--------- ---------  ----------  ----------
18690     18692             37        738

I can create a file with the lines:

kill -9 <oracle_process_id>
kill -9 <client_process_id>

and make it executable, but the username for the file isn't the one with the rights on the process ids.

Is there a way to get this file to be picked up by a script run as root and executed?

The file should be run as soon as it is fully created (like within one minute or so). What would be a better option, run through crontab, or by using a loop / lockfile?

It should be possible to create more than one of these files, so the filename should be variable.

Thanks in advance
 

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LEARN ABOUT OSF1

rc0

rc0(8)							      System Manager's Manual							    rc0(8)

NAME

       rc0 - Runs command script executed when stopping the system

SYNOPSIS

       rc0

DESCRIPTION

       The  rc0  script  contains  run commands that enable a smooth shutdown and bring the system to a single-user state; run levels 0 and s.	In
       addition to commands listed in within the script itself, rc0 contains instructions to run commands found in the /sbin/rc0.d directory.  The
       script  defines the conditions under which the commands execute; some commands run if the system is being shut down while others run if the
       system is being shut down and rebooted to single user.

       By convention, files in the /sbin/rc0.d directory begin with either the letter "K" or the letter "S" and are followed by a two-digit number
       and a filename, for example: K00enlogin	   K05lpd     K60cron	  K30nfs

       In  general, the system starts commands that begin with the letter "S" and stops commands that begin with the letter "K."  The numbering of
       commands in the /sbin/rc0.d directory is important since the numbers are sorted and the commands are run in ascending order.  Files in  the
       /sbin/rc0.d directory are normally links to files in the /etc/init.d directory.

       An  entry  in  the  inittab  file  causes the system to execute the rc0 script, for example: ss:Ss:wait:/sbin/rc0 shutdown < /dev/console >
       /dev/console 2>&1 s0:0:wait:/sbin/rc0 off < /dev/console > /dev/console 2>&1

       The following operations are typical of those that result from executing the rc0 script and the commands located in the /sbin/rc0.d  direc-
       tory: Notify users that the system is shutting down.  Sync the disks Stop system services and daemons Stop processes Kill processes Unmount
       file systems Invoke init if the system is being shut down to single user

       The killall command sends a SIGTERM signal to stop running processes; SIGKILL follows to kill all processes except the process which initi-
       ated the call.  The umount -a command unmounts all file systems except the root file system.

FILES

       Specifies the command path Specifies the directory of commands that corresponds to the run level

RELATED INFORMATION

       Commands: init(8), killall(8), rc2(8), rc3(8), shutdown(8) delim off

																	    rc0(8)
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