Questions tagged [process]
An instance of a running computer program.
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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 ...
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0answers
17 views
Dump process memory to file, stop, then initialize from file into the same state? [duplicate]
Does Linux have some mechanisms for creating a "memory image" of a process that can be used to initialize a new process from that exact state? Assume there is a process that takes a lot of time to ...
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1answer
60 views
How to block Windows Service from spawning new process
In continue to my SO question, I would like to know how it is possible, by GPO, or a security setting, to prevent from a Windows Service to spawn new process.
I have a machine with Windows Service ...
1
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1answer
52 views
Using ftrace to spy on files being created?
We are in this scenario: https://stackoverflow.com/questions/7304826/how-to-debug-a-multithreaded-hung-process-in-linux
When we try to look at a rogue process (which is consuming 100% CPU) then it's ...
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0answers
18 views
Windows Server-Fetching Process Information
Following are parameters:
application : AGProc.exe
Windows Service: SafetyService
Process Running:
AG_Process1 : Frequency: 2 minutes.
AG_Process2 : Frequency: 2 minutes.
Architecture:
AG_Process1 ...
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0answers
21 views
Linux Kernel Mode Vs User Mode [migrated]
I'm trying to better understand the process of switching from user mode to kernel mode on linux systems.
When a process requires access to the low level HW/restricted memory spaces, does it issue a ...
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0answers
63 views
docker rm,exec, rmi commands are in hang state
I am facing the issue with docker since couple of weeks. Some of docker commands like rm, rmi, exec are not working, while, commands like ps, images are working fine.
I tried -
docker system ...
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0answers
25 views
using custom core_pattern, core filename gets cut off after certain number of characters
I've set the /proc/sys/kernel/core_pattern to:
core.%e
Using %e indicates the filename of the crashed process. In our case, our binaries are named as the full URL in which they were downloaded from (...
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2answers
46 views
What are the common ports/ranges that standard Windows processes will listen on?
Is there any documentation that I can reference that outlines what ports or port ranges that most standard Windows processes will listen on? For example, if I saw wininit.exe listening on TCP 16000, ...
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1answer
41 views
Monitor and act on another process CPU consumption [closed]
I'm looking for away to monitor a specific process CPU consumption and act if the process didn't consume any CPU for the last X minutes/seconds on linux.
The use case it that I've a machine on EC2 (...
1
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1answer
137 views
accidentally delete mysql files in /var/lib/mysql
I made a big mistake!, I have a vps(centos7) server and for deleting temp files have a command:
sudo find /tmp -type f -atime +10-delete
this command is good but this time by mistake i forgot to ...
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2answers
42 views
How do I Identify an anonymous process that's changing a system setting?
I see an anonymous process changing the time of my systemtime to UTC every 80 sec. Using the journalctl -f command I only see a message that says
'systemd[1]: time has been changed' but it doesn't ...
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1answer
33 views
Can a linux process be configured to run ANY time it is ready?
I have a process that does a small amount of work, then goes to sleep for 1-5ms. When that sleep time is up, I want that process to get the CPU IMMEDIATELY! Whatever process is already on the CPU ...
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0answers
28 views
`wc` holding yum lock for over 2 days
I just logged onto a server that hasn't been logged into for two months (August 2nd). When I did yum remove google-authenticator, I got:
Existing lock /var/run/yum.pid: another copy is running as pid ...
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1answer
41 views
How to tell threads from processes in top and ps on Linux?
I find it quite confusing to differentiate threads and processes when I run top and then press H or run ps -Hef.
I know that they share the same attributes, which makes them similar but was wondering ...
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1answer
50 views
Find the source of a *nix process?
I have a dev and QA web server running on the same EC2. I've created a shell script (which is called via Cron) to check to see if a process is running and if not, restart it.
Shell script:
#!/bin/...
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1answer
31 views
How to find out how node web server is started on our server?
So we have a bunch of old (like 2 years) Ubuntu 14.04 servers running production application, which has an API endpoint in Node.
But we have no idea how to start/stop/restart node on it.. it just ...
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0answers
549 views
how to find the process which initates transmition
I found that something is trying to reach 5353 port. My firewall kicks this after all ACCEPTs - (policy DENY, and some ACCEPTS - everything which doesn't fit to ACCEPTS is logged)
[2206881.340582] ...
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1answer
42 views
Process without name [duplicate]
I have a web server, due to an outdated Wordpress some hacker uploaded a webshell. Throught it, he launched a process but the ps command is not showing any name for the process:
root@serv ~ # ps aux|...
0
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1answer
120 views
get process id of openvpn client in bash script
In a bash script I am starting openvpn as a client like this:
#!/bin/bash
conf_file=/etc/openvpn/blahblah.conf
openvpn_pid_file="/var/run/openvpn-client/ovpnc.pid"
command_line="/usr/bin/openvpn --...
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0answers
6 views
How to start and stop individual node instances on linux hosting server? [duplicate]
On my linux shared hosting server, I have been hosting a node.js site like this:
node server.js &
which I could access at:
http://nnnnnnnnnnn.com:49998
and when I want to stop it I use the ...
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2answers
109 views
Kill a process inside an lvm snapshot
In my XEN host, I have a snapshot that cannot be removed with lvremove
$ lvremove /dev/vg0/snap-tmp-vm06.docker-disk -fdv
DEGRADED MODE. Incomplete RAID LVs will be processed.
Using logical volume(s) ...
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0answers
191 views
Monit throwing failed protocol test [HTTP] instead of starting process
I have a custom process (an elixir application) running. I want to setup monit for it. I am setting up the monit check in /etc/monit.d as the following:
set daemon 30
check host meraj-pc with ...
0
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1answer
39 views
Unable to fork children even after exiting previous ones
I have a CentOS VM on which I'm running a php socket server, that forks on every connection. The child process does its job and then exits.
The parent is also waiting to reap the dead zombie process (...
0
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1answer
172 views
Pass PIDs from tasklist and kill processes with tasklist WITH spaces in the name of the process
So this question is VERY similar to this question, with this answer. But some of my processes have a space in the name, and CMD returns nothing. My original question has been answered in this answer, ...
1
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1answer
83 views
Do Zombie Process have adverse effects?
Yes, I have gone through a lot of answers, but they don't really specifically say if Zombie Processes will have any adverse effects in the longer run or not.
I have an application that creates a ...
0
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1answer
24 views
What happens to a ESTABLISHED connection after a firewall restriction is enabled between the hosts in the connection?
I would like to know what will happen to an ESTABLISHED connection between two hosts (say A:9999 & B:8888), after a firewall restriction enabled between those two hosts thus preventing any ...
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0answers
59 views
Understanding some of my linux process file descriptors
Looking to some of my production processes, I realize that I can't understand what exactly some of its file descriptors are and/or what are they used for.
More specifically those with TYPE sock and ...
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1answer
149 views
fork: Resource temporarily unavailable due to tomcat java process
We are using Red Hat Enterprise Linux Server 7.4 (Maipo) and tomcat 8.5.30 . While accessing website the process count is increasing for java process rapidly and it reaches up to the extend where the ...
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1answer
35 views
How do I kill all processes by a specific user from the last 10 hours?
I need a shell script to kill all processes by a specific user from the last 10 hours... I'm a beginner.
however I wrote a script ...
#!/bin/bash
Echo “User name : “
Echo $1
pkill -9 -u ‘id -u $1’...
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2answers
518 views
How to kill a process by its full name, including the path?
Given the full file name of a process, how can I kill it? Not only by its file name, but by full file name. I've looked into kill and pkill and they're not what I'm looking for.
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2answers
186 views
mysqld process deleted in lsof
running lsof on the server today I came across that mysqld was showing up as deleted. Does anyone came across something like this before, or there is an explanation about this. Is it a bug?
lsof | ...
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0answers
68 views
apache mod_proxy persistent
Im using apache mod_proxy to LB 2 tomcats in a server using apache and sticky session. I need session time outs to be set 30 minutes So I have following parameters in httpd.conf
Timeout 1200
...
2
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2answers
331 views
Find windows process that is changing time back 1 hour
I have a windows machine which will periodically change the system time, for reasons unknown. It appears to happen every hour.
This windows machine is a virtual machine (Parallels Desktop 9, Win7 ...
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0answers
148 views
Python & Django: supervisor numprocs vs uwsgi --processes
What is the difference in specifying numprocs in superivsor config and passing --processes option in uwsgi config? I'm using a m4.xlarge instance which has 4 CPU and 8Gig RAM. Not sure about the ...
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0answers
103 views
mprotect between two processes
I have mmaped shared memory (backed by /dev/shm) between two processes.
7ffff7ff3000-7ffff7ff7000 rw-s 00000000 00:16 176796 /dev/shm/shdmem
One process is doing mprotect for ...
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0answers
197 views
What to use instead of PM2 for non-Node.js applications?
I'm thinking of switching from Node.js to another programming language (Elixir). And in Node, I've used PM2 as a process manager. Now, the thing is, I don't want to use PM2 for process management, ...
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1answer
83 views
How php process counts in server
I am new to this community and I am newbie developer. Please excuse me if I ask something wrong
I have a hosting which allows 50 PHP process. But my website has 10000 concurrent traffic at peak time....
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votes
1answer
32 views
Linux process state while waiting for a HTTP response
In Linux, what happens to the state of a process (curl, postman, mule, caml) when it has sent a HTTP request and waiting for a HTTP response? What is the way to know how long the process is waiting ...
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1answer
66 views
What is the most accurate way of measuring cpu utilization of processes in Windows based systems
I have been trying to find out the best way to measure the CPU utilization of processes in a Windows Server 2012R2 system and I found out that there are many inconsistencies among the methods used to ...
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4answers
285 views
CPU bumps to 100% in a PHP web application: How do find out what started it?
I have a Debian server (Amazon AWS) with a PHP web application that is used by hundreds of users.
My CPU usage is almost always below 10%. Today around 12:00AM~ I had 2 insane jumps to 100% for ...
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0answers
44 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 ...
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1answer
1k views
kipmi0 process high cpu utilization
Running top on one of our debian 8 dedicated servers and noticed process kipmi0 utilizing 100% cpu. First off...does anyone know what this process is for, what it does, or what program is using it? Is ...
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1answer
625 views
Server load handling : One single batch request vs multiple requests
I was talking to a developer about different apis for create, update and delete and he was saying that it was better to have a single batch request to server to do operations like create, update and ...
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1answer
127 views
How to current Linux process count (compared to pid_max)
How can I get the number of Linux processes (including lightweight processes)?
I want to see how many before I hit the limit dictated by /proc/sys/kernel/pid_max.
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2answers
110 views
How can I adjust the name of a process I run?
I have a rack/ruby application on a server. I run it as follows:
nohup rackup -o 0.0.0.0 -p 1234 &
In the output of "top" command it appears as simply "ruby"
PID USERNAME THR PRI NICE ...
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1answer
182 views
Reporting units for user and system CPU usage for individual process via collectd
I've been using the collectd:Process Plugin to monitor the per process metrics on a Linux server I'm running. It is just that there are no information about the units for which process use the CPU ...
2
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1answer
1k views
Performance Monitor: Memory\Page Faults/sec vs Process\Page Faults/sec
When I was investigating some Hard Page Faults I came across this. Objects Memory & Process give different value's from the same counter: Page Faults/Sec. Are there some OS related processes that ...
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0answers
41 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 ...
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2answers
357 views
Too many sshd related processes in Centos 7
When I run ps aux command in my Centos 7 machine, I see about 100 entries:
root 19862 0.0 0.0 151692 8 ? Ss Oct09 0:00 sshd: unknown [priv]
sshd 19864 0.0 0.0 105068 0 ?...
