Questions tagged [process]
Questions about identifying processes, about listing them, sending signals, killing them, assigning and using process priorities.
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simple-scan Ubuntu 22.04 : error message while saving file - ghost process
since I am using Ubuntu 22.04, simple-scan shows this error message when saving the scanned page :
Failed to execute child process " " (No such file or directory).
It really saves the file,...
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13
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How to Tell Activity Monitor to Measure in GB instead of GiB?
I use the Activity Monitor application a lot, and I frequently need to know how much memory an application is using. Is there a way to tell the activity monitor to measure in GB instead of GiB?
Here's ...
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Round Robin Algorithm ( Process scheduling) [closed]
Good morning everyone
I'm facing a problem with the RR Algorithm. Here's the question :
draw the Gantt diagram for quantum=1 and quantum=4 for
this processes
this is the professor's answer:
quantum=1 ...
2
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2
answers
490
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Check if process does or does not exist
I want to write script that accepts process name (I ask the user for process name each time followed by a prompt on the same line) if process exists it will print "EXISTS" or if it doesn't ...
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Your help for an 'exe' process when opening chromium browser
i have a process in task manager which appears when i open chromium browser version 87 (the latest browser version which works on my old pentium M laptop). Its name is 'exe' (i use pid top command in ...
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How do I determine if a .NET Core application is currently running on linux
How do I determine if a specific .NET Core application is currently running on Linux and isn't failing, if it's application log shows no data?
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4
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75
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How to stop a process named "Code" that has high CPU usage?
I have one process named "Code" that has high CPU usage. I don't know what this process is and how I can stop it.
Can you help me fix this?
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16
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Main process, not Main Thread
Fresh installation of 22.04.
I noticed the PC was a bit slow and I opened the System monitor. Here the processes tab:
This main process that eats up about the 25% of the CPU(s).
I don't think is ...
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31
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Maximum number of processes with the lowest nice value [closed]
What is the maximum number of processes with the lowest nice value in linux (Ubuntu 20.04) ?
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Can we get process list using sar in Ubuntu?
Is able to get a processes list that runs on April 11 in the Ubuntu Server using sar or other tools.
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40
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sudo command make child process to zombies
I'm trying to make a program that divides into child and parent processes with fork(). Child executes arguments with execv() and parent traces him with ptrace(). I made almost all parts of the program,...
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1
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177
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Optimize thermal daemon
I just discovered thermald for preventing machines from overheating. I'd like some basic suggestions on how to modify the xml configuration file. Below is the one I have at /etc/thermald/thermal-conf....
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How to determine the parent of a process like "ls"
I've read methods of determining the parent of running processes but how would I determine the parent of a process thats lifecycle is too short to run a command like pstree without the process already ...
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2
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71
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Kill a specific window, but not the entire suite of windows belonging to one program?
Currently using KDE.
I'd like a shortcut that's able to kill a window, but not all windows of the same process.
For example, right now I'm using xkill to kill windows using the mouse. I love it, but ...
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KDE-related processes
Important: I used to have the KDE Plasma DE installed but I removed that months ago.
I checked activity monitor like I do a lot, and I decided to check the "all processes" button instead of ...
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Restart an app when it crashes
I state that I know practically nothing, I have found some solution that could do for my case but it is not quite how I would like it to be.
In practice I would like to create a script that when the ...
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How to effectively secure a process and its forked children using setuid and setgid?
I am trying to have all unix processes to be forked by a main process using different user/group identities. I do not want either the parent or child processes to be running as root so I want 2 other ...
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How to enable my nfs server?
My service status shows
service nfs status
Unit nfs.service could not be found.
I checked unix deamons
ps aux | grep nfsd
mikigm 12022 0.0 0.0 20452 2636 pts/0 S+ 11:03 0:00 grep --...
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3
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Understanding memory usage in Ubuntu - after upgrading to Ubuntu 21.10 from 20.04 my memory usage increased dramatically
After reading a lot of different articles on the Internet I'm still confused about how to find exactly what is using my memory.
After upgrading to Ubuntu Server 21.10 from 20.04 my memory usage ...
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35
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get process back to screen
I was in a screen session with a python script running in the background.
I terminated the screen with the exit command so when I check with
screen -ls
there are no sockets and with
jobs
I can see ...
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47
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Why is Xubuntu/Ubuntu 20.04 constantly writing to disk at a rate of 1G/day?
I have my Xubuntu 20.04 installed on a 2T SSD. This computer was purchased in October 2020, and is just over a year old. It is lightly used. I do not run firefox/chrome browsers on it because browsers ...
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How can I check which python script is being run given its PID?
top is showing that some python script is using all computer resources
Sadly, I have more that one python scrip being running. How can I identify which file it is being run from?
I obtained PID using ...
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1
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125
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GeckoMa process seems to consume lot of CPU
I have been getting this weird problem lately, gecko process seems to consume lot of CPU processing , and this is becoming irritating , is there any fix for this and why is it happening ?
PID USER ...
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Apt install using Software Center hangs. How do I kill it?
I invoked an apt install (of mysql-workbench) by double clicking the downloaded .deb file.
It hangs at the "preparing" stage and the "Cancel" button does nothing.
ps aux | grep apt
...
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How to audit ONLY process start/stop?
I'd like to see all started processes in the audit.log.
As far as I know, it could be done by
auditctl -a task,always -F arch=b64 -S execve
But it doesn't work (do nothing). I can use auditctl -a ...
user1562595
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15
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what's baloo_file_extractor's process? [duplicate]
The other day when I started my computer, it went lagging;
today I started it and it seems to be gone but when I went through the task manager, I saw that baloo_file_extractor takes about 50% of CPU, ...
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1
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47
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How to execute my code using terminal without terminal being occupied
Guys you might think this is a coding issue but there is a strong possibility that I wouldn't need to entirely modify my code to solve this problem.
So I've written a headless(without GUI) music ...
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1
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Thunderbird cannot be closed, but no process running
I have a problem where Thunderbird cannot be closed and no interaction is possible. Only the context menu sometimes appears on the left upper corner of the screen.
No Thunderbird related process is ...
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0
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154
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How to keep processes running after ending ssh session when systemd kills processes after user logs out?
I've tried many highly voted answers on stack exchange suggesting nohup, disown, command &, and (command &) and they did not work for me on Ubuntu server 20.04. I found this answer why they ...
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How to kill a process that autostarts
Recently I started managing a server (hostsed by a cloud provider) for my work. Problem is that the server is injected.
Within now and a few months the server will be replaced by a new one in order to ...
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Process Monitoring live log
I would like to monitor a process (vsftpd) under ubuntu 21.10 and I would like to do on command line. It's possible to see when someone is connected and when the download is running? I tried vsftpdwho ...
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147
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Illustrator CC Linux doesn't display interface after opened
Some time ago I have downloaded through this link an Adobe Illustrator CC adaptation to run on Linux environment: https://github.com/Gictorbit/illustratorCClinux and followed these steps until a day ...
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Namespace isolation
Can namespace isolation be used to prevent a process from seeing the host directory tree. Or only allowing the process to see a part of the host directory tree or perhaps a completely different type ...
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625
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100% CPU usage when nothing is open
I have a problem with my laptop, when I turn it on, it's cpu percentage will go up and the fan start to work very fast.
I tried top command and find that there is a process with more than 70% cpu ...
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Meaning of maximum number of open files (ulimit -n)
Is the maximum number of files open as reported by the "ulimit -n" command a maximum per process owned by that user, or in total for all processes owned by the user.
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Firefox doesn't appear in the processes list, even though it's running normally. It's that normal?
I'm using Ubuntu 20.04 LTS. Firefox is the only browser installed here, so it's the only one I use. The processes list doesn't contain a firefox process (both the system monitor and terminal). It's ...
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Exiting the terminal vs Closing the terminal
Context:-
I am running a process in bash with & appended i.e in background mode. The process has a while(1) i.e it will run forever. My bash is parent and my process becomes the child. I want to ...
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1
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How to search the highter CPU process between dates
Is possible to search which process has been the major or highter process between dates?
For instance: I need to search whats process has been the highter one the last month on my system.
Thanks
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1
answer
127
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How to run a process/binary on System startup/reboot in Ubuntu 20.04 LTS?
I have an Ubuntu Server 20.04 LTS, and a binary file to run a process inside folder /home/dir1/dir2 called binary.
I believe there might be more than one methods to this but, if I could possibly know ...
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How to set CPU affinity for process with specific name to very high every time that process starts?
How do I set CPU affinity for process with specific name to very high every time that process starts?
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Xfce - is there any way to speed up "close window" for unresponsive applications?
In Xubuntu 20.04, if a window won't close first time, it brings up a dialogue with words to the effect of "This application is taking a long time to close, do you want to kill the process?"
...
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My free space disk is disappearing continously
(Ubuntu 18.04)
I had about 8GB free space in my hard drive of 250GB and 2 hours later have disappeared. I can see this with left mouse button properties in any file of my /home.
The hard drive is ...
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How do I pkill a process and all its child processes by name?
pkill -f 'name' is not sufficient because it leaves some left-over processes in control group that ran while starting. is there any way to do this in 1 line or so?
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How to free system of useless processes in a safe way?
I am kinda new to Ubuntu. For the past 4 months, I have been setting up various development environments for various purposes, the worst thing I did was just googling how to install this or do this ...
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systemd --user children processes not stopped afer logout
After each logout from KDE, I can find the systemd --user process when I log into a tty{2..6} console and its remaining 23 children still running :
$ ps -Af | grep -v grep | egrep -w "PPID|$(...
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Find name of process id after reboot (from previous boot)
If I have a pid from a previous boot, how can I find the name of the process with pid on the currently running system?
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I am using Ubuntu 20.04.2 LTS. Chrome-password-store is running as background process. Is it normal? How can I stop it from running in the background?
while browsing, my CPU usage suddenly reched almost 100%. Did a hard restart. While investigating i found that chrome-password-store was running in the backbround and using almost all the CPU resource....
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To many process running for chrome and code on ubuntu 20
I'm using chrome and VSCode and my system is hanged after sometime and CPU usage will be above 100%.
My Machine is having 8 GB of RAM and 128 GB of SSD, yet it is hanging and i need to restart.
I have ...
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How to kill a script running in the background, but only get the PID of the script when it was run with a certain flag
I can run multiple instances of a bash script in the background and everything is great. I have it setup in such way that some have -x as a flag and some not. See:
./test.sh &
./test.sh &
./...
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Overall CPU utilization% of 'htop' is smaller than a process' cpu usage
Because of my stupidity, I can't provide any screenshot of such phenomenon. My 2-core system's cpu utilization(which is output of htop command) is smaller than the cpu usage of a process.
For example,
...
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