Tagged Questions

The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
7 views

Ruby On Rails - Resque - Stop Workers / Pid-Command

I have used this command to start a resque schedule on Ubuntu but how do I do if I want to stop the workers and schedules? PIDFILE=./resque.pid BACKGROUND=yes QUEUE="*" rake resque:scheduler >> ...
0
votes
5answers
53 views

How to get the pid of a running process using a single command that parse the output of ps?

I am looking for a single line that does return the pid of a running process. Currently I have: ps -A -o pid,cmd|grep xxx|head -n 1 And this returns the fist pid, command. I need only the first ...
2
votes
0answers
27 views

How to deal with the discontinuity of yaw angle at 180 degree

I'm working on a vehicle control and using a 9DOF sensor (accelerometer, magnetometer and gyroscope). For the yaw angle, I have a discontinuity problem at pi rad. (180 deg.). I'm controlling the ...
0
votes
1answer
76 views

C# How do I get unique PID for each browser tab in external browser ie. Chrome/Firefox/IE

When opening Windows Task Manager to view the PID of all open processes, I can see that all the open tabs in my Chrome browser have their own unique PID, however I get the same PID no matter what tab ...
0
votes
0answers
15 views

newsyslog: pid file doesn't exist: /var/run/lighttpd.pid

We're running lighttpd-1.4.26 on FreeBSD 7.2-RELEASE. Each time we rebooted the machine, and the lighttpd was started by rc script, the pid file won't automatically write into /var/run/lighttpd.pid. ...
1
vote
3answers
57 views

How to kill a running for loop on linux?

I'm working on Linux, I have executed the for loop on a Linux terminal as follows: for i in `cat fileName.txt` do echo $i vim $i done fileName.txt is a file contains the large no of file entries ...
2
votes
5answers
51 views

how to find PID in php

I am writing a php script which will run through cron . Its task is to call other php scripts. The called scripts can also be executed externally. What I want is that while one file is executing, it ...
0
votes
1answer
54 views

Multiprocessing output to file

Is there a way to redirect the stream to file when creating an instance of class Process or during execution Process(target=..., args=(...)).start() I asked about the typical pythonic way ...
0
votes
1answer
36 views

Arduino - PD - Line Following

#include <QTRSensors.h> #define NUM_SENSORS 5 //Number of sensors used #define NUM_SAMPLES_PER_SENSOR 4 //Average 4 analog samples per sensor reading #define EMITTER_PIN ...
1
vote
1answer
37 views

Script to HUP parent and child process

I need a shell script to send a HUP to the parent and child processes. I am using freeBSD with tcsh? #/bin/sh Somehow, I need to pipe the PID output from pgrep to kill -HUP in a loop in a shell ...
0
votes
0answers
67 views

How to identify safari's “flash plugin” and get its pid

I've got 64bit safari running a flash video (OSX snow leopard). I try to list all process using the ps command in a shell window. Flash for safari comes up as "Plugin Process" However, if there are ...
0
votes
0answers
110 views

Lowpass filter for PID controller in discrete time

I am trying to implement a PID controller (in MATLAB .m file, not simulink), and I wanted to add a low-pass filter to my system. So the filter normally goes on the negative feedback loop (i.e., I ...
0
votes
1answer
12 views

OS X - Determine the enviroment for a given PID?

For a given process ID, what is the best/most direct way to determine the environment variables (e.g. PATH)? Must be able to query for any arbitrary environment variable. PATH is just the first ...
0
votes
4answers
64 views

Explain some tips of bash

I get a piece of code for PID file control. The style of programmers, I don't understand.. I don't know --> Use of && on [[ $mypid -ne $procpid ]] **&&** And relaunch ourselves ...
0
votes
1answer
52 views

Identifying PID source of DNS request (Windows XP)

I wish to identify the process that is making DNS requests. Looking at the query gives me a clue, but doesn't help me identify the exact process. I can see the local port number in Wireshark, but the ...

1 2 3 4 5 16
15 30 50 per page