An instance of a running computer program.
Questions tagged [process]
746 questions
244
votes
13 answers
Environment variables of a running process on Unix?
I need to troubleshoot some problems related to environment variables on a Unix system.
On Windows, I can use a tool such as ProcessExplorer to select particular a process and view values of each environment variable.
How can I accomplish the same…
Gant
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147
votes
9 answers
Keeping a linux process running after I logout
I'm connecting to a Linux machine through SSH, and I'm trying to run a heavy bash script that makes filesystem operations. It's expected to keep running for hours, but I cannot leave the SSH session open because of internet connections issues I…
doc_id
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132
votes
6 answers
Show full process name in top
I'm running a Rails stack on Ubuntu.
When I call ps -AF, I get a descriptive process name set by the Apache module like
00:00:43 Rails: /var/www...
which is really helpful in diagnosing load issues.
But when I call top, the same process shows up…
Ben K.
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109
votes
8 answers
How to get pid of just started process
I want to start process (eg. myCommand) and get its pid (to allow to kill it later).
I tried ps and filter by name, but I can not distinguish process by names
myCommand
ps ux | awk '// {print $2}'
Because processes names are not…
rafalmag
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87
votes
7 answers
How to sort ps output by process start time?
Is there a way to sort ps output by process start time, so newest are either at the top or bottom ?
On Linux ?
On SysV5 ?
On Mac ?
Dean Smith
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87
votes
6 answers
How do you free up a port being held open by dead process?
A colleague of mine recently ran into a problem where a process that had supposedly died was still bound to a network port, preventing other processes from binding to that port. Specifically, netstat -a -b was reporting that a process named System…
Adam Rosenfield
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76
votes
9 answers
Dump a linux process's memory to file
Is it possible to dump the current memory allocated for a process (by PID) to a file? Or read it somehow?
Fragsworth
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58
votes
7 answers
How to prevent "ps" reporting its own process?
$ ps | grep django
28006 ttys004 0:01.12 /usr/bin/python bin/django celeryd --beat
51393 ttys005 0:01.45 /usr/bin/python bin/django celeryd -l INFO
51472 ttys005 0:01.29 /usr/bin/python bin/django celeryd -l INFO
51510 ttys005 0:01.89…
Steve Bennett
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48
votes
34 answers
How are you documenting your work, processes and environment?
Are you using a wiki format? If so, which product? (MediaWiki, Confluence, Sharepoint etc.)
Have you create a knowledge base? (Problem/solution-oriented short documents.)
What challenges do you find with creating documentation that works, so you…
user1804
47
votes
6 answers
How I can identify which process is making UDP traffic on Linux?
My machine is continously making udp dns traffic request. what i need to know is the PID of the process generating this traffic.
The normal way in TCP connection is to use netstat/lsof and get the process associated at the pid.
Is UDP the connection…
boos
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40
votes
6 answers
Linux - How do I see when a process started?
How can I see when a process started, assuming I know the pid. (On Linux)
Amandasaurus
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40
votes
9 answers
How to get pgrep to display full process info
Is there any way to get pgrep to give me all the info about each process that ps does? I know I can pipe ps through grep but that's a lot of typing and it also gives me the grep process itself which I don't want.
JoelFan
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37
votes
5 answers
Set max file limit on a running process
I have a long running process that is eventually going to hit the max open file limit. I know how to change that after it fails, but is there a way to change that for the running process, from the command line?
kāgii
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35
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7 answers
If I launch a background process and then log out, will it continue to run?
Asking this after a prolonged discussion with a coworker, I'd really like a clarification here.
I launch a background process, either by appending "&" to the command line or by stopping it with CTRL-Z and resuming it in background with "bg". Then I…
Massimo
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34
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6 answers
How do I track CPU Utilization for Window Services?
I am using the windows task manager to track CPU utilization. I notice that my applications are listed but Windows Services are not.
For instance, total CPU usage is listed at 70% but the summary of the listed applications is only about 30%. I…
John