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Questions tagged [process]

An instance of a running computer program.

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Hanged program not shown up in process explorer [migrated]

This is something bugging me for more than a decade. Occasionally there is a program hang in Windows (in this case a setup program in Windows 10 Pro), I tried to close it from resource monitor and it ...
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Ideas: How to continuously monitor and kill the restricted process in Ubuntu20

I have a bastion host where users run specific software like (nodejs) instead of using the bastion as a jump host. I cannot restrict internet access, and this software's installed in users' home ...
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how to stop that ip requests and how to find that files who start the progress

i have that problem, that if i take a view over iftop -i eth0 -o 10s -p -P command i get a ton of list information 192.168.8.119:ssh => 192.168.8.98:62424 5.12Kb 5....
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What process manager is suitable for multiple instances of the same service?

I am working on an app which can start and stop a service (lnd) with different options for different users: Service Instance 1 for Alice using config 1 Service Instance 2 for Bob using config 2 ...
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supervisord refuses to start when provided program config

I'm setting up supervisord to run a few scripts perpetually. If I start supervisord without any program (*.conf file in /etc/supervisor/conf.d), it runs perfectly fine root@networking:~# systemctl ...
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How to restart a web application via SystemD if not responding?

When using Supervisor there are a couple of plugins available that are able to restart an application if it's using to much memory (-> memory leak at e.g. some Java-tools) or if the application is ...
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Linux server nrpe nagios check_procs process state monitoring - need info, when process is restarted

I need to be informed by nagios when a process on a remote server is restarted. The only thing I do not know how to do is to check its process state, and what way to do it? I got in remote server this ...
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Why is my cronjob command interrupt after 1 minute? [duplicate]

I have a cronjob command that runs once every day on Ubuntu 18.04. Below is the crontab: 25 06 * * * /opt/my/app arg >> /opt/my/cron.log 2>&1 I checked the log and the command was run at ...
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How to restart deluged daemon on macos?

I am running an old macbook pro as a server and have deluged running on it. How can I restart the daemon without having to restart my server each time?
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How to calculate CPU utilization for an application in a multicore system

On 8-core server, 0-3 are configured as isolcpus and remaining cores (4-7) are available for system and user processes to run. My application has multiple processes which will run on any one of the ...
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Dante server high CPU% load and negotiation process

I am a noobie trying to figure out a way to host proxies for my family and friends (around 20 people maybe) for Telegram. I am using a DigitalOcean droplet with 2vCPU and the rest are base ...
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Debian: Find unknown process pinging ip on old subnet after subnet change [duplicate]

I changed my network subnet from 192.168.1.0 to 10.10.10.0, but some rogue process is trying to hit port 9100 on 192.168.1.145 I have tried sudo lsof -n | grep TCP | grep 9100 with no luck. I have ...
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How can I find out which program is executed through a PID which is ended

I found there is a program that killed my Apache regularly, according to the log information, I understand there is a program using "/etc/init.d/apache2 stop" to stop apache, since this ...
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In Linux/bash how can I prevent asynchronous commands?

I have a makefile that calls external build scripts. Some of these scripts (which I can't change) make use of commands that are forked / backgrounded (or asynchronous as the bash manual names them) ...
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Delaying my own process to automount an external storage which start at boot

I would like to implement my own process into a CentOS7 operating system which automount an external storage (AVID ISIS for this example) at boot through systemd. To do that, I scripted the mount ...
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6 votes
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How to find out what service is listening on a specific port of a Ubuntu server without proccess id?

I have decided to post this question even though there are a lot of similar questions, but none of them answered mine. I periodically check the ports my server listens to. My ubuntu OS by the output ...
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Oracle too much processes [closed]

My oracle server has a huge queue and slowly executes user requests. I have increased ram and cpu but still same problem. I dont know anything to oracle, can you please give me commands to check if my ...
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Identifying user activity/processes from log message on remote machine - 10.0.0.2 - user A, using service account B trying to connect to 10.0.0.3

I just inherited an older Linux server. I am getting asked to identify and stop a process initiated by a user. How can I go about identifying what process a user is executing that matches the logs ...
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1 vote
1 answer
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Laravel/PHP process on debian 10 only ever using one of two CPU threads

I am running a Debian 10 Buster server on a google VM with PHP 7.3 Apache2 and MySQL 8. On the server, I am running Laravel 8 as an API for two clients. I recently upgraded the VM to an n2-standard-2 (...
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How do I find the PID file for a process given the PID number?

I'm trying to use Monit to monitor and send email alerts about a process when it stops running, but I need the location of the PID file for that process. I can find the PID number using the htop or ps ...
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Why atop shows high CPU but sum of individual processes %CPU far smaller?

How can the sum of processes' CPU-% usage be lower than the total CPU load, according to atop and top, please? I have a CPU reaching very high load (87%, for several hours) even though the sum of the ...
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Process terminates after SSH logout on windows server

I have a Windows server 2016 machine that needs to run an file that uses the cli, remotely using SSH. It is known that logging out of an SSH connection terminates processes that were started by the ...
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Keeping processes alive when closing SSH connection on MobaXTerm

I'm facing somme issue when trying to keep process alive when shutting down session in MobaXTerm. I have a java process which should run on a linux server. I am using two commands, nohup and screen. ...
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-1 votes
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What does the option passed at the end of the Systemd command mean?

I have this command: systemctl restart rh-php71-php-fpm -l I would like to know what the -l which is passed at the end of the command corresponds to?
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How to list the capabilities associated with a process in *nix systems?

From - man capabilities UNIX implementations distinguish two categories of processes: privileged processes (whose effective user ID is 0, referred to as superuser or root), and unprivileged processes ...
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Why does "ipcs -m" only show one process?

I want to find out how the shared memory is used between the different processes running on a server and got the impression that the "ipcs -m" command can be used for this purpose. So when I ...
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How can I find the location of the source code for an app running on an Ubuntu image?

Let's say I've logged into an image that was spun up by an automated process and it's serving up a website (in my case it's a Rails site). I'm rooted, but don't know where to find the source code. ...
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1 vote
2 answers
2k views

Zabbix low-level discovery - CPU usage per process - two items with identical keys

I'm trying to use Zabbix for monitoring CPU usage by different processes on Windows Server. Processes to monitor are not determined upfront. I want to use LLD to monitor top 3 CPU demanding processes. ...
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1 answer
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Is it possible to umount a drive from where a program is running?

I want to run some confidential program on a cloud server. In order to protect it from being copied, I can encrypt it into a drive and mount the decrypted drive to run it. However I want to umount the ...
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1 answer
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Suspicious ksoftirqd_1 process using high cpu [duplicate]

I run this webserver that serves data to a couple of apps. In the last couple of days I have noticed that some requests take some more time than usual, so I did a top to find out what's running and ...
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3 votes
1 answer
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Zabbix - UserParameter Powershell script item is 'not supported' - CPU per process monitoring

I'm new to zabbix and I'm trying to create custom User Parameter to Monitor CPU utility per process(Windows Machine). I have a powershell script and a user parameter, I also added a new item under ...
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1 answer
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pidstat: difference between task and process?

The pidstat command has options relating to tasks and others relating to processes (e.g. -C and -G). What's the difference?
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Structure to track running/completed scripts in proc/

I have a script that runs every hour, and without using a database, I would like to check if that file is either: (1) currently running; (2) already completed; or (3) not yet run. If it's #3, then I ...
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Force Nginx to create a new process for each request

Nginx reverse proxy send and receives requests from client to a defined port, that usually is a process that responds to requests the thing is if for one of requests the process crashes the whole ...
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Suspicious process 'find' running under user nobody

At startup I noticed my machine was under heavy load. Opened up a terminal and top to find a process running the command find under user nobody that was using 90%+ of my memory. I killed it ...
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2 votes
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Find the process listening on a port (not showing in lsof)

Update: The port was opened by NFS. I figured this out by configuring NFS to listen on a known port. Using Ubuntu 18.04 I want to know which process or kernel function listens on UDP port 38637. I ...
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Get the age of a process?

How can I see the age (in seconds) of a process in Linux? I want to do it in a script. ps has various start/lstart/start_time options, which show a textual format for the date & time the process ...
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What determines the user a services started

I thought, that the service files under /lib/systemd/system/ determine as what user a service is started. But apparently that's not (always) the case. Here's an example: ~# ps faux ... whoopsie 1445 ...
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Record SSH commands sent to a Mac from Windows

I've got a bit of a puzzler - I am an administrator on both a Windows 10 and a Mac Catalina machine. The Windows machine is currently running software that has a known bug - SSH commands are sent to ...
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2 votes
1 answer
495 views

Determine windows process Uptime

Is there a way to determine the 'uptime' of a process in Windows. I would prefer to use powershell and not a third party tool, and I would like process name, start time and process Id.
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Easily monitor the CPU % use of a process

I'm have a small ISP and currently we are running an application of a customer that it's creating high CPU pikes. Basically we have chrome tab running and automate a process to stresstest a web ...
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-2 votes
1 answer
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Moving Processes to and from Swap [closed]

Referring to Moving a process to and from swap and other answers which talk about moving processes to and from the swap space for Linux, none of them give a prolific description of the pros and cons ...
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-1 votes
1 answer
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Resource consuming process

I have a Debian server hosting an AngularJS - Java application. When I run the htop command I have the following process which consumes the resource and I wanted to know what this process is for? ...
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Ubuntu service is showing running even after the process is killed

I have created a service like below:- Description=Java Service [Service] User=nobody # The configuration file application.properties should be here: WorkingDirectory=/home/ubuntu/pear ExecStart=/usr/...
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Why does cron job spawn child process every few seconds

I have a cron job that keeps spawning child process with the same name as parent process every few seconds. All the CPU usage is happening on the child process for few seconds and then dies. Seems ...
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Diagnosing nginx 408

Users upload photos to my site, using an HTML5 plupload runtime that submits the files to a php script at /upload-process. Normally this works fine, but sometimes the call to /upload-process times ...
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What are the steps to track down a 'too many open files' issue

I'm trying to track down and root cause a 'too many file open' issue on RHEL 7. From googling around, if I run this command it give me the open file count in the first column and the PID in the ...
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1 vote
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478 views

Determining What Process Isn't Cleaning Semaphores

I was having the common issue of not being able to restart httpd because of a high number of locked semaphores. After clearing those and restarting httpd, I also doubled the semaphores. However, I'm ...
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1 vote
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Difference between Task Manager's Processes and Details tabs

In Windows' Task Manager we have 2 tabs that show process CPU usage: Processes and Details. Trying to find a hotspot in my developed software, I noticed that CPU usage differs there in a huge manner - ...
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What is task status PA refers to?

I am looking into a crash dump for RHEL 7.4. It shows some of the task status as PA. None of the help pages talk about the details of this task status. can anyone tell me what PA refers as the ...
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