A process is a binary program running continuously on a computer (until terminated) which is managed by the operating system.

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How can a process in “interruptible sleep” state use 100% CPU?

According to this reference, a process has the following states R running or runnable (on run queue) D uninterruptible sleep (usually IO) S interruptible sleep (waiting for an event to complete) Z ...
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1answer
49 views

WAMP starts up (green) but doesnt fully restart (orange)

When I open the WAMP manager it goes to green and everything works. Then (also without doing anything else) when I click the icon and choose restart all services it goes to orange and stays orange. ...
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174 views

Possible to save process as dump file to disk and then reload the process later?

Is it possible to save process as dump file to disk and then reload the process later? For example if I'm using a video editing program and are in the middle of rendering a file, then I can go to ...
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1answer
419 views

How to kill screen session with running sudo command?

I'm trying to write a bash script which would relaunch my NodeJS server. This is how I'm launching the screen with the server: screen -S web-server -d -m node web-server.js which end up in this ...
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403 views

What is the “Ideal Processor” value?

What is the "Ideal Processor" value and why/how does it pick a certain processor to run on? I've recently seen an obvious increase in CPU usage on the furthest last core, core #7 (i7 930 ...
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245 views

Child processes remain after quitting screen

I'm seeing some strange screen behavior on OSX. When I quit screen, child processes are not killed. $ screen $ tail -f (or some long running process inside screen) Then, I kill the current screen ...
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1k views

Ubuntu detect memory leak

I run watch free and then observe a continuous memory used increment, about 100 every 2s. How can I know which process contribute to the used memory increment? top and pmap does not help. BTW, after ...
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56 views

Is there any way to find how RAM my VPS uses on average?

I have a VPS system with 768MB RAM. Is there any way to find out what the average amount of RAM I normally use is which processes normally use high RAM and CPU so that I can see if i need to ...
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39 views

Prevent application from monitoring other processes running on same machine

Is it possible for a 3rd party application running locally on a Windows 7/8/10 to monitor other services/processes running on the same machine? If so, how would one prevent this?
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34 views

How to find the real process that is generating traffic when using OpenVPN

A pretty easy thing to do so it seems but i'm struggling with it. I got some (Windows XP) clients connected via OpenVPN using bridged mode. Now suddenly I started to see higher traffic load from those ...
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119 views

Apache wont start, port 80 in use by a system process, found baiduspider

Ok so I have uninstalled IIS on my windows server and decided to try Xampp to host my domains. Port 80 is in use and I have tried all of the fixes that I have came across for the past 2 days. I was in ...
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577 views

how to make Apache 2.4 work in single worker mode by default?

I'm using Apache 2.4 on my server. My scripts are using a lot of system() commands and they require to work in one process mode. When I start apache using the command: apachetctl -X (which ...
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46 views

Copying processes in Linux

I would like to make a copy of process (On Linux). Let say that I have an application that on startup makes lot of calculations, and that takes it a long time. I want to start this application few ...
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249 views

Can't kill firefox process

I have firefox that crashes every so often on my Ubuntu machine. I can't seem to kill the process when this happens. The process' name is /usr/lib/firefox/firefox I've tried: pkill -f firefox pkill ...
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1k views

How to monitor process behavior in Mac OS X?

In Windows, we can use Process Explorer and Process Monitor. Can we do similar task in Mac OS X? For example, if I want to monitor a process which will execute another process with specified ...
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39 views

How I can auto end specific process?

How can I auto end a specific process when it reaches 400 MB RAM? And how do I change it back after I do that? Is there any program or script or anything ?
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2k views

System processes like DllHost.exe and WmiPrvSe.exe are slowing down Windows 8

Windows 7 started to work slower and I used Autoruns, ProcExp and ProcMon to look at what was causing the issue. I found that it happened when DllHost.exe and WmiPrvSe.exe were running, but I'm not ...
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1k views

Cannot terminate process, “already terminated”

On Windows 8, I regularly get processes into a state where I can't terminate them. Skypekit.exe seems to be the process that's most likely to trigger that issue, but other processes can do that, too. ...
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186 views

Why is process not being displayed by TOP

I am running a Mathematica script (this question probably doesn't fit in Mathematica.SE however) and I know that it generally takes up a lot of RAM and loads up my cores. However, althought pgrep ...
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788 views

Let task explorer always run with realtime priority

I have replaced task manager by process explorer from sysinternals. I would like this to always run at realtime, so that I can easily get it open when my system is really slow. I have noticed that it ...
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138 views

procfs and youtube flash video

Up until recently (about 3 months ago), ALL open flash videos had deleted file handles in the procfs virtual folder for the flash plugin, I could see them thus: ps x|grep flash cd /proc/#PROCESS#/fd ...
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161 views

Is There A Way To Calculate Data In Task Manager?

Something takes a lot of RAM and i want to know what. I have list of running processes and need to know the sum of all of them because "In Use" does not help me to determine what takes most RAM: I ...
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1k views

Why is csrss.exe running 169 times?

When I noticed that opening many tabs (10 to 20) in Google Chrome took an increased time with every new one I looked into Process Hacker and discovered 169 csrss.exe processes. I've never seen that ...
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21 views

Issue getting DLL handle using process explorer

I am trying to see how a certain section of Windows is "built", more specifically the interaction between winlogon.exe, msgina.dll and keymgr.dll When I launch Process Explorer or Dependancy Walker I ...
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20 views

Filter running processes by digital signature authority

I want to write a script that will kill all processes whose executables are signed by a certain authority. I know how to get the list of running processes, and how to send a filtered list off to be ...
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28 views

How can I close a process that slows down my computer to a crawl?

I sometimes mess up and start a CPU-intensive program while I'm playing a videogame. Last time I did this, my game audio began looping in a really obnoxious fashion and the smallest mouse click took ...
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21 views

Is there a way to log what application or device is using a USB port?

I have a DAQ connected through USB, and every now and then it drops signal and the application using it crashes. I have a feeling that some other process or service is interrupting the USB. Is there a ...
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45 views

linux: unable to kill non-zombie process

On ubuntu 14.04, I ran an grep command on all the logs, that started to take all memory (~48 Gb). I tried to kill it, with kill -9, sudo kill -9, killall, pkill, whatever, but the process is still ...
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221 views

Cant kill a process,gives me “access denied” Error even with admin

Since yesterday I was trying to kill hl2.exe (Team Fortress 2) process and: Task Manager wont show that hl2.exe is running Process Manager&Process Hacker 2 says "Access denied" When tried to ...
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33 views

Using `top` to output only the running processes, PIDs and users?

I'd like to run top -n 1 so that it only outputs a list of running processes, their PIDs and the user that has run them (the "COMMAND", "PID" and "USER" columns). I don't need any of the other ...
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28 views

How to find out what system processes an executable/app uses OS X?

I'm trying to find a way to find out what other processes an executable uses so i can block/unblock the app and those processes on my firewall. For example, Google Drive app uses Discoveryd to ...
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21 views

Tracing actions carried out by a particular process in Windows 7 and above

I would like to know if there are methods to trace actions carried out by a particular process ? An example is to track an installer making edits to a Windows Registry and adjusting the Firewall ...
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50 views

Adaptive per-user CPU quota/priority in Windows 8.1

We have a workstation computer in the office running Win 8.1 where multiple users remotely run cpu-intensive processes at the same time. The problem is that one user can hog the cpu making all ...
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100 views

High CPU usage on Linux

I have a process that is called gis taking 100% of the cpu (sub-cpu) on one server and 3 % on another similar server (running as HA-pair) All other servers have are using 2-3% of cpu as well Is ...
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19 views

schedule a crontab to shutdown the machine after a specific process (with PID) has finished

Say I have this process with PID = 1234 currently running. I don't know how long it's gonna take for it to finish. Is it possible to schedule a cron tab to keep checking for the status of the ...
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1answer
134 views

Change default priority for an exe (every time the program is launched)

I have a big image manipulation program that runs slow and that I am used to run with no other apps. I want to permanently set the exe to run at a higher priority. I could run it through a batch file ...
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38 views

How can I trigger all running non-Windows processes to close?

In Windows, when you choose the Log Off power command, sometimes it will hang on a process and let you cancel logging off. It then takes you back to your desktop, where all processes other than the ...
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90 views

How to determine process for unclickable floating window?

Somehow I got a window which I can't close. It's unclickable, floats above other windows and I don't know which process it belongs to. Using Process Explorer's crosshair tool does not help, because ...
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63 views

Disable Windows 8 auto ending programs

I often lose my unsaved work because of Windows 8's stupid feature that ends unresponsive programs once the dialog box, "This program is not responding" appears. Are there any options I can disable ...
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list all the information of a process under commandline in osx or linux

Is there any command to list all the information associated with a process, include all parameters in PS command, open files and ports and so on? Thanks!
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816 views

Recover Data from a crashed process (with .dmp file)

I made a .dmp file of my process that crashed. It contained very important data. How will I recover that data. The process had it sat in ram, then hung half-way through saving. I made a 'Dump File' ...
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179 views

Reducing CPU load to absolute minimum

I have had a couple of things gone missing I believe stolen in my shared apartment and want to run my laptop constantly with a webcam attached, running webcam surveillance software to record/ take ...
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140 views

Limited task manager?

I know it seems counter-productive, but I was looking for a task manager that it's more limited than the one that comes with Window. The reason is that some servers that I use (but not manage) have ...
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53 views

How to keep a completed process in memory?

I have a program that has a large startup delay. (it needs to load lots of data from hard drive). So, I call it from the command line and provide it the name of input file, it processes that and ...
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123 views

How do I force a process to stay on even after logging out or move process out of user-space memory?

I am quite often uploading various big files to various websites with my web browser on a slow connection and not every website support resuming of the upload. Now my lsass.exe process consumes ...
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80 views

activity monitor - alert over an email when no activity detected (file changed or via http request)

Is there any reliable and configurable utility for linux severs that sends email notifications when no specified/configured/scripted activity is detected for a given period of time? I'm not looking ...
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238 views

Which processes were running yesterday?

We have a production machine that keeps crashing on regular basis. Our staging environments run fine, but when the application is deployed to production, the production machine crashes after two or ...
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87 views

Issue with awtessd - how to permanently close a process on osx Lion?

I have a problem with this process called awtessd, when i use a program (autodesk alias) several instance of this process are opened, slowing down everything. If i close the process everything turn ...
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122 views

Start, stop and restart processes without resorting to batch files

I need a GUI to start, stop, and restart processes (actually console applications). Currently I start those console apps using BAT files. It's not convenient. Here is an example of BAT file which ...
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Find cause of unkillable process?

Many times before has it been asked how to kill an unkillable process http://stackoverflow.com/questions/49988/really-killing-a-process-in-windows Unkillable process problem Unkillable process I ...