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Full Discussion: grep the process id and kill all the filtered process
Top Forums Shell Programming and Scripting grep the process id and kill all the filtered process Post 302423429 by matrixmadhan on Friday 21st of May 2010 04:29:41 AM
Old 05-21-2010
Quote:
Originally Posted by thegeek
When you grep a list of process through a pattern, you can use the same to kill those process.

Experimentation:

Code:
$ ps ax | grep rv_
 3382 pts/1    T      0:00 /bin/sh ./rv_server
 3414 pts/1    T      0:00 /bin/sh ./rv_test
 3443 pts/1    T      0:00 /bin/sh ./rv_test
 3450 pts/1    S+     0:00 grep -i rv_
$ pkill -9 rv_
$ ps ax | grep rv_
 3453 pts/1    S+     0:00 grep -i rv_
[3]   Killed                  ./rv_server
[4]-  Killed                  ./rv_test
[5]+  Killed                  ./rv_test
$ ps ax | grep rv_
 3455 pts/1    S+     0:00 grep -i rv_

Perfectly agree, I missed it. Operand is a pattern and not a literal. Thanks
 

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LEARN ABOUT REDHAT

pidof

PIDOF(8)						Linux System Administrator's Manual						  PIDOF(8)

NAME

       pidof -- find the process ID of a running program.

SYNOPSIS

       pidof [-s] [-x] [-o omitpid] [-o omitpid..]  program [program..]

DESCRIPTION

       Pidof  finds  the  process  id's (pids) of the named programs. It prints those id's on the standard output. This program is on some systems
       used in run-level change scripts, especially when the system has a System-V like rc structure. In that case these scripts  are  located	in
       /etc/rc?.d, where ? is the runlevel. If the system has a start-stop-daemon (8) program that should be used instead.

OPTIONS

       -s     Single shot - this instructs the program to only return one pid.

       -x     Scripts too - this causes the program to also return process id's of shells running the named scripts.

       -o     Tells  pidof  to omit processes with that process id. The special pid %PPID can be used to name the parent process of the pidof pro-
	      gram, in other words the calling shell or shell script.

NOTES

       pidof is simply a (symbolic) link to the killall5 program, which should also be located in /sbin.

       When pidof is invoked with a full pathname to the program it should find the pid of, it is reasonably safe. Otherwise it is  possible  that
       it returns pids of running programs that happen to have the same name as the program you're after but are actually other programs.

SEE ALSO

       shutdown(8), init(8), halt(8), reboot(8)

AUTHOR

       Miquel van Smoorenburg, miquels@cistron.nl

								    01 Sep 1998 							  PIDOF(8)
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