General :: How To Get Process ID Using "pidof"

Jan 31, 2011

I tried to get process ID using pidof. It didn't give any error but a blank output at console

Code:

But when I use ps -ef, I get the process ID

Code:

Actually i'm writing a shell script. So I thought if i can get the process ID directly using "pidof" it'd be helpful.

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Programming :: How To Get Process ID Using Pidof

Jan 31, 2011

I tried to get process ID using pidof. It didn't give any error but a blank output at console Code: $ pidof -s instance1

$
But when I use ps -ef, I get the process ID Code: $ ps -ef | grep instance1
root 4174 21661 0 06:52 pts/1 00:00:00 grep instance1
provgw 30220 30219 28 06:46 pts/1 00:01:44 /usr/java/jdk1.6.0_18/bin/java -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager

[Code].....

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Ubuntu :: Pipe And Kill Pidof Output?

Jan 13, 2010

I want to kill a specific program with the kill -9 pid in a hole command. How do I pipe and kill the output from this command? pidof transmission |

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CentOS 5 :: Pidof: Invalid Options On Command Line?

Aug 19, 2009

when i show status ricci on centos5.3x86_64 #service ricci status pidof: invalid options on command line pidof: invalid options on command line p is stopped how can i fix that bug ?

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General :: Kills A Process Internally Or From Where It Picks File To Continue Its Process?

Jan 8, 2010

one tell me the internal working of kill command. that is how it kills a process internally or from where it picks file to continue its process.

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General :: Elevate The Priority Of A Process Without Process Superuser Rights?

Jan 21, 2011

I have a high priority service that I start with sudo nice -n -10 process. This process does not need superuser rights though, except for the priority elevation. But nice requires superuser privileges to elevate priority.

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General :: How To Identify Raid Degrade Process / How To Rebuilt Process

Jun 12, 2010

send the details raid configuration how to use in linux el5 and how to indentify the raid degrade process and how to rebuilt the process.

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General :: Sending Signal From Child Process To Parent Process?

Sep 8, 2010

Code:

#include <stdio.h>
#include <unistd.h>
#include <signal.h>

[code]....

Description of what the code does or what i intended to do:

1. Created a child process from parent process using 'fork()'

2. Sent a signal 'SIGALRM' from child process to parent process using 'sigqueue' function.

(The Third parameter of 'siqueue' function contains the message (message msg) which the child process wants to send to the parent process.'msg' is a stucture instance containing a) pid of child and b) string) 5. Print the 'msg' sent by child process inside the signal handler function 'sig_action_function' of the parent process I am getting some junk value when this line is executed

Code:

printf("%d
",msg->cpid);

I expected to get the pid of child process, which the child process sent to parent process through the signal.

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General :: Process Scheduler A Part Of Process Queue?

Aug 12, 2010

as we all know Process Scheduler does Process scheduling and its a process as well. I was just wondering that if this happens then the Process "Process Scheduler" should be a part of Process queue as well.

So if there are 5 process are there in Process queue & process scheduler is administrating them then since its also a process, once it puts a process under RUN state it should itself go inside queue because at one instant only one process can get executed on a processor. This is quite confusing for me. Please help me out. I tried to search on this but could not find any relevant topics.

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General :: Find The Parent Process Of A Zombie Process?

May 4, 2010

How do you find the parent process of zombie processes?

When the child process is something where the parent is not entirely obvious...

Is there some way to list processes in tree format or something?

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General :: Process Shows Multiple Process Ids(pids)?

Nov 9, 2010

I have a process running on Linux.When i do ps -eaf | grep <myProcess>, it show muliple entries for <myProcess> with different pids for each entry.Kindly tell me what could be the reason for a process having multiple pids?

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General :: Ran New Process After Sungrid Process Finished?

Mar 23, 2010

I want ro ran new commandy after sungrid finish his task.Exp:qsub -q bla command1; command2 command2 start only when job of command1 finished.

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General :: Save The Process And Log Out Then Log In And Continue The Process?

Nov 16, 2010

I've been running my shellscript for about half an hour now. It's taking longer than I thought to process all the data. I have the process ID of it. Is it possible to save the process and log out then log in and continue the process? I know how to pause a process using kill -pause pID and continue it using kill -cont pID. But that only work if you don't log out after pausing it.

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Fedora Servers :: Why Can't Use "pidof" In Crond Service

Nov 18, 2009

I have a computer with linux playing a movie in loop. And I want to stop playing movie in 22:00 . I wrote something like this in my script :

please note that the space in the command .

And what puzzled me is that I can succeed in running it in command line, but fail in crond service . I always get this warning: pidof : coomand not found.

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General :: Killing Parent Process Without Killing Child Process (Linux C Programming)?

Mar 10, 2011

I want to kill parent process after "fork()" method. but if I kill parent process with "exit(0)" method, main() thread is terminated as well so child prosess doesn't work anymore. Is there any way to kill only parent process without affecting to child process?

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

[code]....

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Red Hat / Fedora :: Command To Stop That File/process Or Is It Just Kill The Process To Stop The Process?

Nov 11, 2010

I've some file with .sh extensions that runs some softwares.Now,how do I stop running that filesI know we run the command ./start_tomcat.sh to start the apache.Is there any command to stop that file/process or is it just kill the process to stop the process

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General :: Get Process Name By Process Id?

Sep 17, 2010

I need a command to get the process name by process id.

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Software :: "kill" Doesn't Like "pidof"?

Jul 7, 2011

A script uses the following command:

Code:
root:/var/tmp> pidof inetd
55
root:/var/tmp> kill -HUP `pidof inetd`
kill: bad pid '`pidof'
kill: bad pid 'inetd`'
Since "pidof" by itself works fine, does someone know why "kill" can't use its output

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Programming :: Displaying Process Id In Shell Script But There Is No Such Process?

Nov 9, 2010

I have a shell script to identify whether the process is running or not. If the process is not running, then I execute another script file to run my application. Below is my script and saved this script as monitorprocess.sh Code: #!/bin/bash

result=$(ps -ef | grep -v grep | grep "applicationname.sh" | awk '{print $2}')
echo $result
if [ "$result" == "" ];

[code]...

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Programming :: Difference Between Init.rc Process And Normal Process?

Mar 31, 2011

Is there any difference in cpu usage for process in init.rc(runs automatic when boot is happened) and manually running process. Will these both have same priority by default...?

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Programming ::get The PID Of The Process Giving Kill Signal To A Process?

Nov 26, 2008

I tried googling but didn't get any answer for this.I have a process called "abc" and it is running with PID "123".I have a putty session opened with PID "999".I am giving kill -TERM 123 from putty session.My process "abc" before dying it should catch the PID of the terminal which provided TERM signal to it.Is there any way to find this out

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General :: Ubuntu: Tool For Displaying Disk Activity In General And By Process?

Oct 12, 2010

My Ubuntu system is occasionally becoming very sluggish. I'm running many things simultaneously and it's very difficult to tell which program is the culprit.

I suspect that the sluggishness is due to disk activity since the CPU usage is consistently under 50% on each of the 4 cores of the CPU, and over 30% of the 6GB of RAM are free.

Is there a tool that can show me in real time the number of disk IO operations per second and the amount of data read/written per second? Can all this info be broken down and displayed per process?

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Programming :: Showing Process Id But There Is No Such Process?

Nov 9, 2010

I have a shell script to identify whether the process is running or not. If the process is not running, then I execute another script file to run my application. Below is my script and saved this script as monitorprocess.sh

Code:
#!/bin/bash
result=$(ps -ef | grep -v grep | grep "applicationname.sh" | awk '{print $2}')

[code]...

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General :: How To Tell If Process Is 64bit

Dec 21, 2010

Given the pid of a process that's running on a x64 linux, how do I tell if it's running a 32 or 64 bit binary? I can look at the binary it's running out of 'ps' and do a file on that but I was wondering if there's a way to tell by looking at /proc/ or something like that.

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Mar 24, 2011

I wish to pin a process to a CPU1 in my dual CPU machine - how can I do it in Linux - any pointers ?

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General :: Where Does Netstat Get The Process Name

Jun 25, 2011

I am developing a node application and there is an option to set the process title (process name). This only sets it in some tools (like ps and top), but not in htop or netstat.

I found this article that explained how most applications do it, but it doesn't change in netstat.

That lead me to wonder where those programs are getting the process name. Would they be getting it from /proc/##/cmdline? (## being the PID of the process)

I figure messing with things in /proc is a bad idea (and probably not possible), so if this is where those programs are getting it, is there a way to change it?

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General :: Process Of Encrypting RAM While Still Using As RAM?

Jun 21, 2010

From previous post I have a netbook from work that I have Debian Squeeze running on and did a full disk encryption (minus the minimal boot loader in /boot) in case it gets stolen. However, with a laptop/netbook it has a battery and I believe the encryption protocol (LUKS - correct me if I'm wrong) uses RAM to store the decrypt key. So if someone is quick they can dump RAM and analyze it until they get the key. Or even if the key is not stored there they could dump RAM which would have recent files cached unecrypted.

Is there an easy process of encrypting RAM while still using as RAM? What I mean by that is I know you could make a ramdisk sort of like how Live CDs do and encrypt that, but at best (that I know of) I can only mount it as swap space.

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General :: Run Two Background Process?

Oct 26, 2010

i have ported linux into arm and i want to run two background process on target

i have two c programs a.c and b.c
i have cross compiled them as
arm-linux-gcc -o a a.c

[code]...

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General :: %CPU Too High For Process?

Mar 4, 2011

I am using centos 5, Kernel 2.6.18-53.el5. I am using 2 quad core processor with 4gb of ram

I am trying to figure out the significance of %CPU in the ps command.

My astreisk process %CPU is very high at the moment, at 115. I want to know if it is a cause for concern? If I do a top then the load of the box is very low.

Code:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2872 115 1.4 628664 58372 ? Sl 14:56 190:30 /usr/sbin/asterisk -f -vvvg -c

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General :: CPU Usage Of Process

Jul 15, 2011

I am currently writing a JAVA script to monitor certain unix processes through JConsole. Upon having lots of trouble with runtime.exec, i decided to bypass the top/ps command call and just get the information straight from /proc/*pid*/whatever.Now i can pull back any information from any of the files I want, and the current way i determine the CPU usage of a process is as follows:Add the UTime and STime of that process from /proc/pid/stat then divide my pidCpu by UTime + STime + NTime from /proc/stat, then multiply that by 100, should give me the % cpu usage a process is using, right?Theory being if I get the jiffies assigned to my process, I can divide that by the total jiffies the cpu assigns.

However, my results seem to vary from the ones gathered from top and ps. What am I doing wrong?

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