Questions tagged [process]

An instance of a running computer program.

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How to restart a daemondo controlled process?

How can I restart a daemondo controlled process with other options on my MAC (OS-X 10.4)? I changed /opt/local/etc/LaunchDaemons/org.macports.gearman/org.macports.gearman.plist and killed the gearman ...
stofl's user avatar
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6 votes
1 answer
2k views

SSSD process won't die

Thanks for taking the time to check out my problem. I'm currently working on an issue that has only appeared once before. Back on Jan 3rd when this first appeared we were able to reboot the server ...
omnivir's user avatar
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4 votes
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1k views

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 ...
jchook's user avatar
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4 votes
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560 views

why doesn't htop display the same process start time than ps

Ubuntu 16.0.4.5, htop 2.0.1 and 2.2.0 compiled from source. Showing the STARTTIME column in htop, displays Jan25 but ps -o lstart displays Sat Dec 15 20:58:46 2018 By looking at the pid it seems ...
erny's user avatar
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4 votes
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2k views

Linux NFS - 'stat' on defunct NFS mount causes blocked ('D') state processes and high load average

I'm rearranging some NFS mounts - tidying up and decommissioning them. As part of this, my 'management' server has gained a huge load average, because of nagios kicking off 'stat' on the NFS mounts. ...
Sobrique's user avatar
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4 votes
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3k views

Linux equivalent of OS X "Launchd", with respect to use by non-root users?

Is there a good way for non-root users to start "managed" processes? In this case, I am using managed" to describe a process that starts up when the user logs in, is monitored by some sort of ...
larsks's user avatar
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4 votes
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In Windows 2008R2 there is a TCP port that is stuck LISTENING but the process that has it open is terminated?

I have a program, NC_net that allows Nagios to monitor Windows machines for various metrics and it seems to have caused a sporadic issue where when the service stops, the TCP port remains open. The ...
phiz's user avatar
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3 votes
0 answers
157 views

Multiple instances of app in htop

Why does htop show two instances of my GUI app TradeClient? while I started only one instance? System: Ubuntu 22.04 VPS with X11 (I connect with VNC) What is its CPU usage? EDIT1 htop -t EDIT2 ...
Alexey Starinsky's user avatar
3 votes
1 answer
247 views

Centos killing parent shell wont kill background child processes?

I am learning for the Red Hat certification. In the book it is stated that since RHEL 7 (so also Centos latest version) that you dont need to use nohup anymore if you launch a process in the ...
dragosb's user avatar
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3 votes
2 answers
2k views

Apache's "OPTIONS * HTTP/1.0" running 100% CPU - Runaway httpd process

I have this recurring issue where an httpd processes will randomly start running at 100% CPU. Often other httpd processes will join in, and it will continue until I restart Apache. Oddly, the thing it'...
Thomas Adams's user avatar
2 votes
1 answer
14k views

Can't remove /var/lib/docker due to "Device or resource busy"

I've tried to uninstall docker and failed because I am not able to remove this dir /var/lib/docker and it gives me this error: (base) [xxx@xxx ~]$ sudo rm -rf /var/lib/docker/ rm: cannot remove ‘/var/...
Galilej25's user avatar
2 votes
0 answers
976 views

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 ...
Codemonkey's user avatar
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2 votes
2 answers
3k views

How is a process stuck in uninterruptible sleep handled on user logout?

I would like to ask about the impact of a process stuck in the 'D' uninterruptible sleep state on a Linux system when an user logs out. Is ending an user session by logout (not shutdown or restart) ...
Arnold's user avatar
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251 views

Do Apache Gracefully finishing connections count as live(MaxClients limit)?

For instance, I've got MaxClients = 128, and 28 connections are "Gracefully finishing". Does this mean that Apache can handle 100 connections at the moment, or "Gracefully finishing" do not count here ...
Oleg Shtepa's user avatar
2 votes
0 answers
422 views

TCP packets dropped in ipv6 loopback

Just logged in to a Windows host, I noticed an unexpected CPU usage. I quickly found out the processor was being hogged by the Windows firewall services. I enabled logging, and I started to see ...
aledeniz's user avatar
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2 votes
1 answer
608 views

Lot of duplicate sshd daemons getting created in Solaris

I have a Solaris server where I found lot of sshd services running: ps -ef | grep 23492 root 25449 23492 0 15:27:17 ? 0:00 /usr/sbin/sshd2 -oPidFile=/var/run/sshd2_22.pid -R ...
dig_123's user avatar
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2 votes
0 answers
2k views

What is a fast, efficient method for threading rsync

I have a single root directory (on a NAS) that I need to backup to another server. The hierarchy of the directory is several layers deep and a majority of the data is composed of extremely large ...
Brendan Abel's user avatar
2 votes
0 answers
2k views

How to tell uWSGI to prefer processes to threads for load balancing

I've installed Nginx + uWSGI + Django on a VDS with 3 CPU cores. uWSGI is configured for 6 processes and 5 threads per process. Now I want to tell uWSGI to use processes for load balancing until all ...
raacer's user avatar
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2 votes
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191 views

Apache worker mpm, one process and many threads: understanding performance

Got a mod_perl-written serverside program. Im using shared apache worker mpm memory with one process only, and ~ 60 threads. Im using locks to temporary secure the access to the shared memory, just 0....
user2148543's user avatar
2 votes
1 answer
273 views

ps -o pcpu on Debian Squeeze is giving meaningless numbers

I'm trying to get the CPU percentage for processes on a busy server out of ps, but it's giving me nonsensical numbers. Here's a truncated example: $ ps -eo pcpu,pid | sort -n %CPU PID ... 36.5 ...
regularfry's user avatar
1 vote
1 answer
269 views

Process with very high RAM usage takes very long to stop using force stop in Task Manager

We have a Windows Server 2016 with around physical 700GB RAM. A colleague of mine ran a machine learning script in Matlab, that loaded 25GB of data in RAM and during the training the RAM usage ...
rbaleksandar's user avatar
1 vote
1 answer
338 views

Linux: How to check total number of bytes written to memory by a process

Note: I know about the commands like top but I am interested in knowing the number of bytes written to memory and also rewrites (number of times storing to the memory happened)
NUPUR AGRAWAL's user avatar
1 vote
0 answers
919 views

A linux machine with lots of processes in uninterruptible sleep state

I have a linux machine that has lots of processes in uninterruptible sleep state. I'd like to know why this happens. Here's part of the information of running top -o S command: top - 14:44:51 up 298 ...
Brian's user avatar
  • 111
1 vote
0 answers
650 views

A process just won't die

For context: I have been playing with stable diffusion on my home server lately, but because my GPU is pretty old, the process often crashes and hangs when I try to go too far. Usually, I'd just kill ...
Julien Ripet's user avatar
1 vote
0 answers
3k views

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 ...
YD8877's user avatar
  • 325
1 vote
0 answers
329 views

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 ...
Timur Sabet's user avatar
1 vote
1 answer
422 views

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 (...
Mariann's user avatar
  • 11
1 vote
0 answers
1k views

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. ...
Sebr's user avatar
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1 vote
0 answers
1k views

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 ...
lifebythedrop's user avatar
1 vote
0 answers
816 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 ...
Aaron Chamberlain's user avatar
1 vote
0 answers
239 views

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 - ...
Leontyev Georgiy's user avatar
1 vote
0 answers
393 views

Get network usage for each process (Windows)

So I've been searching for the past few hours for this and I can't get around this "issue". Here's what I need to do: I need to get a list of current processes and their network activity (total MB ...
Something's user avatar
  • 105
1 vote
0 answers
64 views

Server not initializing some procesess after crashing and rebooting

I have an HP ProLiant DL380 G7 server, with Intel Xeon. I also have it with RAID 1 level on its HDD's. It has Ubuntu 16.04.3 LTS running on its SSD's. Now, my problem is that sometimes power surges ...
DarkCygnus's user avatar
1 vote
1 answer
1k views

HTTPS Configuration for supervisord

I've been browsing the web for articles that describe how to do it, but I couldn't find anything. The develop documentation only makes mention of a HTTP server. Nothing about enabling or configuring ...
Dion Pezzimenti's user avatar
1 vote
1 answer
68 views

Application caps at 20% utilization per core no matter how many threads are launched

I'm trying to use a Dell Poweredge R900 I got secondhand as a compute pool (4x quadcores gives me 16 cores to run simulations with). It's running windows server 2008 R2 enterprise at the moment. I'...
PhysicsNinja's user avatar
1 vote
0 answers
52 views

Historical memory usage, clarification needed

I am running on Red Hat Linux 6.6 I have a process that is started daily, whose name and PID I know. user 13697 13583 0 02:15 ? 00:00:21 /a/b/my_process How can I find out: How much memory ...
JAM's user avatar
  • 113
1 vote
0 answers
161 views

IIS CPU Limit not taking effect on Azure VM

we've got some old legacy web apps that we host on an azure VM. In some circumstances they get stuck in a situation that spins the W3WP process into 99%> and causes grief for the server. They're not ...
Matt's user avatar
  • 119
1 vote
0 answers
3k views

Nginx/PHP5-FPM master process - high CPU usage

I've been having some weird issues with PHP-FPM and high CPU usage from the master process. I normally have CPU spikes from traffic since we have a lot of websites but I also run heavy caching with ...
Corey's user avatar
  • 11
1 vote
0 answers
87 views

starting a system with constraints using systemd

I have a large system that consists of multiple processes and docker containers. I would like to have the system initialized by systemd but I have several constraints between the processes: There ...
Itay Weiss's user avatar
1 vote
1 answer
33 views

Methods for monitoring and alerting data issues when dealing with complex dependencies

In this hypothetical example, we have a data flow across multiple engineering teams in an ecommerce company. These teams deliver services, produce data, and consume data at different points of the ...
John Honan's user avatar
1 vote
0 answers
267 views

Hundreds of zombie sh processes spawn then die

I have a few Ubuntu Server 14.04.03 LTS boxes that will occasionally spawn hundreds of zombie sh processes. This process spike will be picked up by the monitoring system, and send an alert. I found ...
Dan's user avatar
  • 11
1 vote
1 answer
569 views

logrotation process stdout and stderr windows

I have a service on windows that's running another process that prints many lines to its STDERR and STDOUT. I'm capturing those lines and redirect them to some log file. I would like to logrotate on ...
ItamarBe's user avatar
1 vote
0 answers
95 views

Every process I start, apart from nginx, dies after a few hours on AWS EC2 Ubuntu instance

I'm new to ubuntu (coming from mac) and I'm trying to run a couple of java servers and a node server on an ubuntu Amazon EC2 instance. I run each server in its own screen session, and everything ...
dev-noops's user avatar
1 vote
0 answers
189 views

Cisco process memory usage

I am trying to monitor a Cisco process memory usage. This is what I get with the command line: show system internal processes memory | inc PID|ipfib PID TTY STAT TIME MAJFLT TRS RSS ...
Enriquev's user avatar
  • 253
1 vote
1 answer
371 views

MOD_WSGI Daemon Mode multiple hanging httpd processes

As a python developer I had some understanding of how mod_wsgi works, which is that it launches a new python process with each request. That is not to say a new httpd process, rather a single httpd ...
Sam Hammamy's user avatar
1 vote
0 answers
146 views

Lighttpd user directories with individual user processes

I have enabled user directories (mod_userdir) for my lighttpd server but I don't really know how different user processes can be spawned when php files in these directories are ran. The user's ...
Cobra Kai Dojo's user avatar
1 vote
1 answer
916 views

Windows 2003-R2-Server: Process "System" takes large chunks of CPU time

I have a domain controller running 2003 R2. The server behaves very well when restarted daily, however, each day it is not restarted, there's a process called "System" that takes enourmous chunks of ...
Dabu's user avatar
  • 359
1 vote
1 answer
1k views

Running multiple background Java processes on Linux

I have a jar file that runs continuously and acts on various events. I need to create multiple instances of this jar, passing parameters to it on start up, and have it continue to run between shell ...
Chris Stewart's user avatar
1 vote
1 answer
239 views

Set default number of mod_wsgi processes

I have a virtual host setup with the follow config directive. WSGIDaemonProcess myproject processes=2 threads=25 I would like to set the number of processes for each vhost using mod_wsgi to 2 ...
Kenzic's user avatar
  • 111
1 vote
0 answers
39 views

Grab process information about high process usage

I'm looking to grab process information about processes that are using over a certain CPU limit. Ex: #!/usr/bin/env python def get_processes_over_usage(cpu_usage): #Find the processes. ...
xaav's user avatar
  • 191