Questions tagged [background-process]
The background-process tag has no usage guidance.
66
questions
0
votes
0
answers
40
views
Regarding ffmpeg in ubuntu 22.04
I need to convert a rtsp and a rtmp link to two different UDP link at the same time using ffmpeg in ubuntu server 22.04. I need to run this as background process only. Also is there any option to ...
0
votes
1
answer
54
views
How to start a background process in gnome-terminal automatically at the start
I want to start a background process (tail [a log file]) in each gnome-terminal automatically when the terminal is created.
I've tried
gnome-terminal -e "tail -f /var/log/syslog &"
which ...
- 1
2
votes
2
answers
337
views
Running grep via GNU parallel
How can I make searches with grep on a large number of files run faster? My first attempt uses parallel (which could be improved or other approaches suggested).
The first grep simply gives the list ...
- 361
1
vote
1
answer
106
views
What is Zeitgeist Data Hub background process?
I am running Ubuntu MATE 22.10. I noticed the background process zeitgeist-datahub in htop. What is this process doing? Can I safely disable it?
I found a package of the same name. https://packages....
- 25.8k
0
votes
1
answer
124
views
Gnome-Software running in background and consuming RAM
Why does this newfangled Gnome-Software have to consume 300mb of my precious RAM in the background? I remember when an previous computer of mine only had 300mb of RAM total, and now this one program ...
0
votes
0
answers
46
views
Black screen at login
In /etc/profile.d/ I inserted the file custom.sh which reads:
~/.start/speakers.sh &
~/.start/vpn.sh &
As you can see, both files are run in the background. Why am I still experiencing, ...
- 101
0
votes
1
answer
337
views
Fluidsynth Starting Automatically On Boot; Login Freezing - Connected? How to Solve?
Since switching from Kubuntu 20.04 to Ubuntu Studio 22.04 (both use KDE Plasma), I have had a strange cluster of issues. I'm wondering if they could be connected, but my main goal is to find a ...
- 147
0
votes
0
answers
32
views
Background scripts on Ubuntu server
I have a .sh script that runs an import of more than 6 thousand big SQL files.
I'm connecting to my Ubuntu server via ssh.
I want to start the script and close the connection for example. But in this ...
4
votes
2
answers
2k
views
How to make Thunderbird mail sync in background without opening the app
How can I make thundermail sync E-mail in the background and notify of new e-mails as they arrive? Applications like Evolution have a background service that allows it to sync email even when the app ...
- 61
0
votes
0
answers
48
views
20.04 Discord restarts when reopened half the time, despite actively running in the background
The title says most of it. This issue essentially with the "minimize to system tray" feature which I understand does not really have parity with how things work in Windows. That said, the ...
- 1
0
votes
0
answers
18
views
Why does ls -R1 & go to foreground [duplicate]
I am trying to let ls /usr -R1 run in the background (school assignment, I know it sounds like a dumb idea to run ls in the background). I tried running ls /usr -R1 & to run it as a job instead of ...
- 543
1
vote
0
answers
414
views
How to end a cpulimit on a process
I am utilising the very handy tool CPULimit to restrict the CPU usage of an import triggered in the cron of my Ubuntu server.
Successfully limiting the process is not a problem, I am also able to ...
- 131
0
votes
1
answer
244
views
Process exits on terminal session end, even though it's a background process
I connect to my VPS using ssh. I run npm run start & to start my next.js site in the background. And everything works.
As soon as I disconnect my SSH session, my site stops.
How can I force that ...
- 109
0
votes
0
answers
186
views
How to run Blender as a Service?
I have a python script that continually calls blender to do some rendering with various blend files
os.system('blender -b testFile.blend --python-text render -- [args]')
This call will open blender ...
- 170
0
votes
1
answer
27
views
Does Ubuntu suppport adding running GUI Applications to background with Hotkey?
I already know how to put an already running process into background from command line but I was curious if there would be any chance to put a running GUI process into background using configurable ...
- 39
-1
votes
1
answer
368
views
How can I put a command in the background process after the command has been run?
I need to put interactive command (some values are entered from the console and then an infinite loop is running) in the background process. Since I need to enter values, I can't initially run the ...
- 107
0
votes
0
answers
349
views
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 ...
- 1
0
votes
1
answer
584
views
Stop all Localhost servers/Backround processes
so my current issue is when I go to the browser type 'localhost' or '127.0.0.1' it redirects me to a Facebook page?
if there is any way to stop all servers located on localhost
or kill the background ...
user1373905
1
vote
1
answer
1k
views
Run a command in background, but get a non-zero exit code *immediately* when `No such file or directory`
I need to run some (unknown) command in the background like this:
nohup some_command &
Since such a command will run and (hopefully) complete in background, I cannot get its exit status ...
- 9,406
4
votes
2
answers
3k
views
Proper way to disable Evolution services when it's purged already
Though I have gone through quite a few threads on AskUbuntu, I couldn't find a proper way to disable these Evolution services, especially when Evolution is purged from the system already, in Ubuntu ...
- 2,126
1
vote
0
answers
63
views
How to find and kill specific Monitoring AGENT running on system?
I have an agent installed on my computer which works with python. I think it starts with startup but I could not find any program on startup so I decided to check running processes for python and to ...
- 113
0
votes
0
answers
60
views
Using Ubuntu Server To Refresh Google Sheets in the Background
I don't even know if this is possible, but I'm new to Ubuntu and figured this would be the place to ask.
I have a few web apps on my phone that I have set up using data from a Google Sheet (using a ...
0
votes
2
answers
856
views
Uknown PHP script taking 100% of the CPU
There is unknown PHP script running in the background of my system that I can't find and that re spawns every time I kill it.
A bit of information from ps about the process.
ps -Flww -p 280378
F S UID ...
- 517
2
votes
2
answers
8k
views
How to disconnect from OpenConnect?
I command something like this : sudo openconnect -b serverName for connect to vpn but when i want to disconnect it , the process does not kill and its alive in background.
I used these commands for ...
- 165
0
votes
0
answers
111
views
Where is The Minimize button script?
I'm trying to write a script to make my OS faster so I decided to limit CPU for background apps and minimized windows.
There could be so many different ways to do that and I know two of them:
Write ...
- 36
2
votes
1
answer
183
views
Looking for a way to halt background tasks/create a benchmark mode
I'm using Ubuntu 20.04 and am working on performance optimisations of some CFD code.
When timing my code for quick feedback as to whether some modification is beneficial, there's often quite large run-...
- 163
6
votes
3
answers
2k
views
MainThread unfamiliar process suddenly showing up 18.04
This morning, running top, I noticed a process I nave never seen before in my Ubuntu 18.04 laptop called MainThread, which was periodically using a lot of CPU . There was also an entry called ...
- 61
0
votes
0
answers
41
views
Fastest way to run a program - Turn off as many other processes as possible
I have written a script to compare a few algorithms in Python, and I am timing each algorithm, to compare the total running time of each one. I wish to be as accurate as possible, that is, I want all ...
- 101
1
vote
0
answers
317
views
How to turn on vlc background play?
I want to play song in background. But when I click cross button on window title-bar vlc stop. I already tried systray icon and run as daemon process. Not working. Maybe I am doing wrong. But is there ...
- 339
0
votes
2
answers
974
views
18.04: Run zenity in background or not show the terminal
A .desktop file runs some dialog boxes using zenity (more) on an Ubuntu 18.04 system.
I want just the zenity dialog boxes to come up, not the terminal. I've tried setting the Terminal tag to false and ...
- 1
0
votes
0
answers
673
views
Is it possible to disown a background process and then later open it in another terminal window? [duplicate]
Say you have a script that takes a while to do something, but then later requires some user input e.g. something like:
#!/usr/bin/python -u
import time
x=0
while(x<10):
time.sleep(1)
x+=1
...
- 121
0
votes
1
answer
263
views
How to store output of find from a background command
I have the following excerpt from a script for finding certain subfolders. Meanwhile a spinner indicates that something is taking longer in the background:
# runs find as background task and ...
- 3,316
0
votes
0
answers
85
views
Cron doesn't work properly on Ubuntu
I'm using Ubuntu 18.04.2 LTS and I need to run a program once a day, in background, let's say at 20:00.
The path of my program is: /home/isola/Desktop/backup_database/backup
and backup is the name of ...
- 243
33
votes
3
answers
27k
views
Tracker process taking lot of CPU
I'm trying to understand what the different background processes are doing on my machine as this one is freezing from time to time. I have noticed that the tracker processes (there are several of them ...
- 708
0
votes
1
answer
73
views
disco upgrade sound mutes after login, vlc doesn't close properly
I've discovered, that after my Upgrade to Disco, a few seconds after Login I can see that my sound get's muted from something.
Additionally if I play a video with vlc, and close the window during ...
- 21
16
votes
5
answers
4k
views
Shorten or merge multiple lines of `&> /dev/null &`
Every time starting the machine, I run the following program:
$ cat start.sh
#! /bin/bash
google-chrome &> /dev/null &
lantern &> /dev/null &
xdg-open . &> /dev/null &...
- 2,821
0
votes
0
answers
76
views
need to enhance script for lookups from multiple csv files
I need to enhance my below script which takes an input file that contains unique lines (almost a million lines). Against each line, it has different values in 3 lookup files which I intend to add in ...
- 63
5
votes
5
answers
2k
views
BASH Script hangs after some processing on Ubuntu
I have been running below script on a Red Hat server, and it works fine and finishes the job. The file I am feeding it, contains half a million lines in it (approximately 500000 lines), and that's why ...
- 63
0
votes
1
answer
2k
views
Can't redirect stdout and stderr in background
I want to launch a task in background and redirect all outputs to a file.
For this, I do ./main.py > /tmp/logsFile 2>&1 & but i doesn't work
I think the problem comes from the background ...
- 159
0
votes
1
answer
2k
views
How to Start Process in Background [duplicate]
I want to emphasize that I said start process in background in Linux. I didn't say start process in foreground, then move it to background, just to re-emphasize.
When I run wget "http://blawblaw.blaw/...
- 49
1
vote
1
answer
2k
views
Something kills my screens
My screen sessions are getting killed when I log out. How can I prevent this?
I have already set:
KillUserProcesses=no
in /etc/systemd/logind.conf. When I log back in, I get the "wipe" option in ...
- 338
4
votes
1
answer
16k
views
Start a screen session and run a script without attaching to it?
I'm trying to write a script to:
Start a new screen session
Run some program or script within that new screen session
Detach from the screen session, while the program from step 2 may still be ...
- 347
1
vote
1
answer
4k
views
How to get screen output from a background python program
I'm running a home heating system monitor on a BeagleBoard xM (arm7) using Ubuntu 16.04.2 and Python 2.7.12. My Python program auto runs on boot via a cron job. The board runs headless. I access it ...
- 11
2
votes
1
answer
2k
views
What could cause my SSH connection to die (Connection reset by [ip]) + kills my background process?
I need some advice. I have a Digital Ocean droplet, which I SSH into it and start my java application with the following command:
java ... &> stdout.txt &
(this should, from what I ...
- 123
7
votes
2
answers
8k
views
How can I make firefox run in the background like chromium?
A known feature in Chromium is the option to make it run in the background, which makes it easier to open .
Is it possible to do the same with firefox (and other applications)?
- 175
0
votes
1
answer
88
views
Can I run shell script together with application?
I wrote small script to automatically delete Chrome cache after I close it:
#!/bin/bash
while true; do
if [[ $(pgrep -l chrome) ]]; then
sleep 20
else
rm -rf ~/.cache/google-...
- 799
3
votes
2
answers
6k
views
Run another command when my script receives SIGKILL signal
Suppose I run a script
$ nohup ./myscript </dev/null >/dev/null 2>&1 &
and then kill it
$ pkill myscript
How can my script be designed so that when it receives the SIGKILL signal,...
- 2,358
0
votes
2
answers
2k
views
Wine background applications
You know, if you have Windows, you have in the down right corner those programs. If I start a Windows program on Ubuntu (TPFanControl), it automatically runs in background, but I cannot figure out, ...
- 111
1
vote
0
answers
296
views
Best practices for automatically restarting failed background processes?
I have some software (consul) that runs as an agent in the background and I want to make sure its running at all times. This is the command I use to start the agent:
nohup consul agent -server -...
- 111
1
vote
0
answers
114
views
Ubuntu behind the scenes
I am just curious about what Ubuntu is doing behind the scenes after I type a command in the terminal and it takes a long time to complete the requested action. In my case here now, I typed the ...
- 69