Questions tagged [nohup]
The nohup standard utility and the nohup builtin from shells like csh, which cause the SIGHUP signal to be ignored
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why websocat or wscat in background with nohup, disown, bg, &, &! don't work
The question is about running a bash script in background with the ability to logout and the process to continue. The issue is that websocat and wscat don't like when I close the terminal or logout.......
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When a program/process is started in bash without nohup, is it later possible to let this program run even after the shell/terminal is closed
When a program/process is started in bash WITHOUT nohup, is it later possible(do something further) to let this program run even after the shell/terminal is closed.
Here is a great discussion on ...
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1
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How do I use SSH to launch a nohup ffmpeg command and leave it running after disconnect?
I'm trying to launch a series of FFMPEG commands over SSH. My SSH client is the native openssh (7.7.2.1) client in Windows Server 2019 (ver 1809 build 17763.2114). The command I am trying to run is ...
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Running nohup many times in a script
Related to an earlier question I asked here. So I have the following script:
requests=(25 50 75 100)
factors=(3 6)
graphsizes=(25 50 75)
for request in "${requests[@]}"
do
for factor in &...
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155
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How to run this simple command in the background
I am having a really hard time trying to run the command below on the background:
find /dir -iregex ".*\.\(jpg\|jpeg\)" -exec jpegoptim --strip-all {} \; -exec sleep 1 \;
I tried adding ...
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`sudo nohup` receives SIGSTOP signal
I have a simple shell script (script.sh):
#!/usr/bin/env bash
echo "Hi!"
And want to run it with sudo and nohup:
sudo nohup ./script.sh > my_nohup.out 2>&1 &
However, ...
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1
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Oracle Linux 6.7 - Nohup: Argument list too long
There are 1 million directories and some files in directories (.pdf, .csv etc.) under the path I have specified below:
/data/upl/repo/exp/
I want all files and folders older than 1 year to be deleted,...
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1
vote
1
answer
972
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Can not stop nohup process
I am trying to run a very complex statistical model that I expected to take a very long time, so I used nohup to run the process. However, I underestimated the length and it would take like 260+ days ...
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1
vote
1
answer
551
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Dynamic changing PID - nohup process not killable - Linux
I have started a python script by following:
nohup python src/myscript.py &
Now there is a process running, where the PID is changing constantly, so it is absolutely not possible to kill it. When ...
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Process gets killed nohup
I am running a Nohup script as a Module of another PHP Script.
It does Actions for 5 min then sleeps for around an hour and does actions again after the sleep time.
My Problem is that it gets killed ...
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0
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114
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Not able to run a nohup script inside a ksh
I'm trying to read a text file (containing set of instructions)
#!/bin/ksh
INPUT=input.txt
OLDIFS=$IFS
while IFS='~' read -r ACTIVE process_name PATH STOP START DB
do
if [ $ACTIVE == 'Y' ]; ...
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votes
2
answers
840
views
How to run a sudo process using nohup?
How can I run a sudo command using nohup? I want to execute a sudo command and then terminate the ssh session but without interrupting or stopping the process.
I tried this but it doesn't work
sudo ...
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NOHUP stopped working
I've been using nohup for years on my server without any issue. Suddenly today it stopped working and the process ends as soon as I exit SSH. I have multiple accounts on this server and the problem is ...
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53
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How to add nohup jupyterhub in service
Have installed jupyterhub locally. for starting it I'm using this command
conda activate jupyterhub_environment and then
nohup jupyterhub
how to add this commands in service so that it can start ...
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2
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1
answer
90
views
Script called with nohup dies sometimes when calling script exits
I wrote a little bash script showing a screenshot menu (screenshot-menu.bash):
#!/usr/bin/env bash
echo 'Select an option:
s whole screen
w active window
r select region
'
read -rsn1 key
sleep 0.1
...
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2
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471
views
Keep python script running after ssh closed
I am trying to run a script called script.py on a remote CentOS 7.3 box that I ssh into. I am running the script from an environment called py. I want the script to continue running after I disconnect....
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1
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What is the difference between nohup and crontab? [duplicate]
Say I want to delete the contents of a directory every hour, what is the difference between having let's say a python script do this for me: nohup python dir_cleaner.py & vs setting a cronjob to ...
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1
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130
views
How to send "enter/any key" signal when using nohup?
For example, I've executed a script using nohup and & to put the script execution in background, and in some step the script ask me to do something else to be able to continue the current ...
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nohup ends when I close the SSH terminal and doesn't show up on ps/job when running
I have an AWS EC2 Ubuntu 20.04 instance, accessed via puTTY SSH. Running a Python process via OpenMPI through the following command on non root:
nohup mpirun python3 job.py
When the shell is open it ...
2
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0
answers
36
views
Using nohup and & on remote Mac OS X causes process to become idle?
I am running some code on a remote server (an iMac), and I want the process to keep running after I log out.
So, I am using nohup and &. However, the process becomes idle when I leave (log off) ...
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1
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116
views
starting Python IDLE with setsid or nohup requires a sleep
A bit of context: I am creating a small Python programming lab for novice users. I want them to use Python's IDLE editor (which you launch as python -m idlelib) but since they may not be comfortable ...
4
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1
answer
441
views
How to limit the number of background process in Unix
I have to run a script in 100 parts while making sure that only 10 parts run at parallel at any point of time.
Below script will trigger all the 100 processes at the same time :-
for i in {1..100}
do
...
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1
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226
views
sudo error when using nohup to run programs in the background
I have a simple exec running in my terminal to run program.py in the background using nohup. Here is the script:
cd "$(dirname "$0")"
sudo -v
nohup sudo python3 program.py &
...
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0
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2
answers
919
views
Bash Creates Child Process Using && and not with ; for a nohup programm
I have a macbook (default shell is zsh)
I have an executable python script (srcript1.py).
I use another executable script (called starter) that runs script1.py when my computer starts, the terminal ...
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1
vote
1
answer
718
views
How to use the nohup command properly in a custom script
I have a script that allows me to perform a number of automated tasks. At the end of the script, I run the following command:
nohup ./MyServer &
This command launches in the background my server ...
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1
vote
0
answers
88
views
When i use nohup command..Are nohup exit codes same as script return codes
I am using below command in one script
abc. Sh
Nohup script1.sh $tablename &
This script1.Sh passes some returncodes based on success/fail
Ex:0-success
99fail
When I use exitstatus=$? .. Will this ...
1
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1
answer
129
views
nohup won't show next prompt in SSH session
Assume that I am connected via SSH on a remote Ubuntu system. I want to execute a script there using nohup in case of potential connection drops and redirecting its log to a file. The command I run is
...
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Why is `nohup` necessary
I have to start a rather long duration script (it can run for half an hour or more) through SSH, and collect its StdOut/StdErr and return code.
I want to avoid waiting for the process end in the same ...
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726
views
How to kill a Python process within an SSH session
This question involves running a bash script, say helloworld.sh, which executes an MPI mpirun command which in turn runs a Python program, say helloworld.py, using mpi4py. The bash command is used in ...
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1
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107
views
Redirecting breaks output (Python Script)
I am running the same python script multiple times redirecting the output in different ways and getting broken output. Sometimes lines are missing and sometimes the order is reversed. The python ...
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Add to script comfirmation for nohup ... & with enter
This is the script.sh:
nohup myInnerScript.sh > LOG.log &
which I run like this
sh script.sh
after execution it waits to confirm with enter. How to add the confirmation? Something like this:
...
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0
answers
200
views
Running script on .xprofile fails to execute
I'm trying to run a login script executing a desktop audio visualizer (glava) on .xprofile but I am running to a few problems:
First of all the script (on ~/.local/bin/glav):
#! /bin/sh
nohup glava --...
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1
answer
756
views
Why does my process terminate upon log out despite nohup and disown?
I have an executable (a server made with Unity) which I want to continue to run after I log out. All the interwebs say that I should be able to accomplish this with nohup or disown or both. But it ...
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1
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nohup process not persisting between ssh sessions
I have an ubuntu server on AWS EC2. I can access it, with Putty and ssh, from a Windows 7 laptop.
I would like to start a process up during one of these ssh sessions and have it continue after I have ...
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88
views
memory increase after completion of scripts
(I am new user of linux). I am running several matlab scripts in parallel using nohup in this form:
(cd Documents/dir_001; nohup matlab -nodisplay -nosplash -nodesktop -r "run('/home/user/...
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1
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7k
views
Use crontab to invoke nohup in script
I'm trying to use crontab to check and re-run a long running script.
I've created a script that checks the status and runs the long-running script if needed.
I'm running the long running script with ...
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1
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303
views
When I use nohup and & to run in the background, will there be any effect on my output data?
With the command: nohup python get_seq.py TPH_hits all_genomes_eukaryotes_20200303.fas > TPH_seq2.fasta &
nohup: ignoring input and redirecting stderr to stdout
Will there be any effect on ...
0
votes
1
answer
210
views
niceness of a background process
Do background process have different nice given? I noticed it is not having the default 0. This might be a problem because it is having less priority.. does anyone know how to change this behavior? I ...
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1
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764
views
Without nohup on csh, background job still running after ssh exits
I'm trying to understand the need for using nohup with background commands in ssh. My shell is csh on CentOS.
The background command below continues running even after ssh exits. I was expecting this ...
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517
views
How to nohup multiple SAS programs at once?
I have several SAS programs
test1_2.sas
test3_4.sas
test7_8.sas
and I hope to nohup those scripts at once. I tried to create a shell wrapper such as a test.sh:
#test running multiple files
...
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1
vote
0
answers
39
views
How to keep a program with several executable keep running after ssh session closed?
I am working from home on VPN and my exceed or Mobaxterm window seems to close itself often. I am losing all the progress of my runs. The program calls for different executables while running also ...
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2
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84
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Using nohup with builtin unix commands with params and file redirection
I would like to run this command:
tail -f mylog.log > snippet.log
I want to run it in the background and not worry about shell timing out or other problems.
This throws warnings and errors:
...
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253
views
Why does (nohup'ed) script need to sleep in order for `ps -ef` to work?
In a script that contains the following lines and is called by ansible (via ssh and then sudo), about 4 out of 5 times, I end up in the if branch, although the process I'm trying to ps and grep is ...
3
votes
2
answers
740
views
when to use NOHUP
I would like to know the purpose of nohup these days.
I ask because I read this
Nohup is short for “No Hangups.” It’s not a command that you run by itself. Nohup is a supplemental command that tells ...
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2
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609
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Why doesn't nohup work on a specific process
For what reason(s) would nohup not work on a specific in-house developed process?
I'm using it as follows:
/usr/bin/nohup process_a &
I can close the terminal where it was executed and see ...
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0
answers
543
views
How to run script with nohup through sshpass
I want to pass a local script generated on the fly and it will trigger another script on my remote machine to running some commands for a long period of time. this is the command I have tried:
cat &...
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141
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Nohup is not working as expected
On a fresh install of OpenMediaVault (debian based), I try to start and keep rsync in background when leaving my ssh session.
I've always do that with success in previous versions..
But now with this ...
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1
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1k
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Nohup with shell variables before command
It seems that nohup is unable to run commands that have environment variables before them. For example,
nohup LD_PRELOAD=~/file.so ./run &
says
nohup: failed to run command 'LD_PRELOAD=/home/...
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is there a setting that can be set so that jobs will continue after logoff, so that nohup isn't necessary?
is it possible to alter some setting in CentOS so that nohup isn't necessary? i.e. so that my scripts won't be killed when I log off?
I think that the automatic output of text to nohup.out is ...
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2
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494
views
Get output redirection part of a running process
Sometimes I run jobs, I lose track of which output files I have redirected the output to. How can I get the full command I ran a job with, including the output redirection part?
For example, when I ...
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