06-01-2010
How to Kill process with dynamic PID?
Hello,
I have problem with killing red5 process running on linux server. As this process is continuously changing its PID so it can't be killed with "kill -9 PID" command.
First I used following command to list RED5 process
ps aux | grep red5
which showed me
root 5832 0.0 0.0 4820 756pts/0 S+ 11:01 grep red5
when I used
kill -9 5832 (which is PID)
it showed me "No Such Process" message
then again I used "ps aux | grep red5"
I noticed PID is changed
root 6369 0.0 0.0 4820 756pts/0 S+ 11:01 grep red5
Please guide me how to kill this process.
Thanking You
Regards
ninadgac
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LEARN ABOUT REDHAT
setsid
SETSID(2) Linux Programmer's Manual SETSID(2)
NAME
setsid - creates a session and sets the process group ID
SYNOPSIS
#include <unistd.h>
pid_t setsid(void);
DESCRIPTION
setsid() creates a new session if the calling process is not a process group leader. The calling process is the leader of the new session,
the process group leader of the new process group, and has no controlling tty. The process group ID and session ID of the calling process
are set to the PID of the calling process. The calling process will be the only process in this new process group and in this new session.
RETURN VALUE
The session ID of the calling process.
ERRORS
On error, -1 will be returned. The only error which can happen is EPERM. It is returned when the process group ID of any process equals
the PID of the calling process. Thus, in particular, setsid fails if the calling process is already a process group leader.
NOTES
A process group leader is a process with process group ID equal to its PID. In order to be sure that setsid will succeed, fork and exit,
and have the child do setsid().
CONFORMING TO
POSIX, SVr4.
SEE ALSO
setpgid(2), setpgrp(2)
Linux 1.0.0 1994-08-27 SETSID(2)