I'm system administrator and most of our Unix servers in the company host database that are accessed frequently by company employees. One day, one particular Unix server has been reported as being very slow. Upon further investigation using the ps command, we've found a rogue process that is... (8 Replies)
Hi All,
I am unable to kill a process using kill command. I am using HP-UX system. I have tried with kill -9 and i have root privilages.
How can i terminate this daemon ? ? ?
Regards,
Vijay Hegde (3 Replies)
I need to write a shell script which would take 2 arguments pid , userid. Then it should kill all the child process under it. If a child process is not killed then it should wait for 1 minute and should kill.
can anybody give me the idea to write it? (0 Replies)
I am trying to get the number of cpus on a farm of linux boxes (about 100 of them) by 'sshing' to each of them and checking their /proc/cpuinfo file.
So I have a local script localscript.sh on each of those 100 machines which retrieves the number of cpus in it by using its /proc/cpuinfo file.... (1 Reply)
I have a process that I'd like to kill. Doing a "ps -fu myusername" gives me:
UID PID PPID C STIME TTY TIME CMD
myusername 5443 1 0 10:05 ? 00:00:00 /bin/sh /some/path/crap.sh -s /yet/another/path/parentProcess
myusername 5593 5443 0 ... (2 Replies)
Hi,
I have a situation where I am writing a programme that runs a series of long running PHP scripts that can take anything from 20 minutes to 10 hours to execute.
I have a solution half implemented where I use via php exec(wget <location to command>) and get the process id back.
This... (1 Reply)
Hi,
I'm trying to spawn a telnet process and trying to do some actions in the remote host using expect script. I would like to know how to suppress all the output in order the user using the script should not be able to see any actions done on the remote host. I tried using the "log_user 0"... (8 Replies)
Hi All
I'm currently trying to develop a script which will find the child processes of a process ID already passed to the script.
I then need the script to look for spawned processes of these child processes and so on until it can't find any more.
For example
At the moment, I have to... (6 Replies)
So this one just plain confuses me. I have a bunch of somewhat CPU intensive processes that all communicate using a shared memory region. Some of these programs are threaded and some also change the scheduling to FIFO or round robin. The good news is that everything works as long as I spawn... (3 Replies)
Good afternoon
I need to KILL a process in a single command sentence, for example:
kill -9 `ps -aef | grep 'CAL255.4ge' | grep -v grep | awk '{print $2}'`
That sentence Kills the process ID corresponding to the program CAL255.4ge.
However it is possible that the same program... (6 Replies)
Discussion started by: enriquegm82
6 Replies
LEARN ABOUT ULTRIX
kill
kill(2) System Calls Manual kill(2)Name
kill - send signal to a process
Syntax
#include <sys/types.h>
#include <signal.h>
kill(pid, sig)
pid_t pid;
int sig;
Description
The system call sends the signal sig to a process specified by the process number pid. The sig can be a signal specified in a call or it
can be 0. If the sig is 0, error checking is performed, but a signal is not sent. This call can be used to check the validity of pid.
The sending and receiving processes must have the same effective user ID, otherwise this call is restricted to the superuser with the
exception of the signal SIGCONT. The signal SIGCONT can always be sent to a child or grandchild of the current process.
If the process number is 0, the signal is sent to all other processes in the sender's process group.
If the process number is negative but not -1, the signal is sent to all processes whose process-group-id is equal to the absolute value of
the process number.
The above two options are variants of
If the process number is -1, and the user is the superuser, the signal is broadcast for all processes except to system processes and the
process sending the signal.
Processes may send signals to themselves.
Environment
System Five
POSIX
When your program is compiled in the System V or POSIX environment, a signal is sent if either the real or effective uid of the sending
process matches the real or saved-set-uid (as described in ) of the receiving process. In addition, any process can use a pid of -1, and
the signal is sent to all processes subject to these permission checks.
In POSIX mode, the pid argument is of type pid_t.
Return Values
Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned, and is set to indicate the error.
Diagnostics
The system call fails under the following conditions:
[EINVAL] The sig is not a valid signal number.
[EPERM] The sending process is not the superuser, and its effective user ID does not match the effective user ID of the receiving
process.
[ESRCH] No process can be found corresponding to that specified by pid.
See Alsoexecve(2), getpgrp(2), getpid(2), killpg(2), sigvec(2), pause(3)kill(2)