nohup is a POSIX command to ignore the HUP (hangup) signal.

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Is there a difference between nohup and nohup in a screen?

I am currently running mathematica on a Linux cluster, I want the job running stably even if I log out. So I use nohup. However, I found sometimes nohup terminates without any sign (I can't see any ...
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21 views

Why i couldn't kill the NOHUP process?

So in order to keep my simple blog running permanently, i used the NOHUP command. nohup python manage.py runserver 0.0.0.0:8000 Everything worked perfectly, my blog keep running even though i ...
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30 views

Why does `nohup top` cut the output lines?

I want to use nohup to periodically log the output of top (every 15s). For that, I log into the server with SSH, carry out the following command, and log out again: nohup top -b -c -d15 & The ...
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21 views

redirect output of a looped shell script called by nohup

I want to transfer a number of files (in total, hundreds of gigabytes) from remote host using passwordless scp or rsync. The problem is that my connection breaks down easily so I decided to copy one ...
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8 views

What is the difference between the SIGHUP generated by typing “exit” in the SSH shell terminal vs clicking the “X” button in the PuTTY window?

Referring to this question, I am trying to use nohup <command> <arg> & to continue to run a command in the background after I logout from the SSH shell terminal. However, the ...
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2answers
26 views

Redirect stdout to file with nohup doesn't work

I'm trying to run a C-program in the background. I also want to save the stdout-outputs of the program. But if I try the following, nohup only redirects stderr-outputs to the logfile.txt: nohup ...
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2answers
62 views

How to redirect STDIN of background process?

In my Ubuntu, i run java application in background. I use bash script to run it and now it looks like: nohup java -jar app.jar & exit 0 The problem that i want to be able to write an input ...
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131 views

nohup … & doesn't work as expected in docker script

I have a simple Dockerfile like this FROM ubuntu:latest ADD run.sh /run.sh CMD /run.sh In run.sh, I have this (also deadly simple) #!/bin/bash nohup awk 'BEGIN { while (c++<50) print "y" }' ...
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39 views

Ways to make a process survive its parent shell's exiting?

In order for a process to survive its parent shell's exiting, what necessary and sufficient conditions does the process need to meet? Specifically considering signals, what signals should be ...
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46 views

Output is not getting written in nohup.out while starting the server from jenkins

I have written a shell script to start a server which is mentioned below and this script is executed from jenkins via ssh. nohup ./startWeblogic.sh & The server is getting started alright but ...
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43 views

Have I created a daemon successfuly?

In gnome terminal under Ubuntu 14.04 In a tab, I run $ nohup sleep 1000 & &>/dev/null I took note of its pid 20643. Then in another tab, I check the sleep process: $ ps -p 20643 -o ...
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Order between `nohup`, `&` and redirection?

What is the correct order between nohup, & and redirection, when using together? Why are other orders not correct? For example, $ nohup firefox& &> /dev/null $ nohup firefox ...
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68 views

Stdin input to a command with nohup

from http://www.gnu.org/software/coreutils/manual/html_node/nohup-invocation.html nohup runs the given command with hangup signals ignored, so that the command can continue running in the ...
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55 views

nohup nice job aborted when disconnected

I've learned that "nohup" command allows the command to keep running if you lose your connection or need to logout. I'm running "nohup nice my command &" in remoter through shh, and after my lap ...
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38 views

Circumvent deletion of screen session and nohup processes on logout

Everywhere I look I see that screen is for keeping a session open so that you can come back to it after disconnection. But this doesn't seem to be the case for a system that I ssh to. Do I ...
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1answer
32 views

Long running script stops sending output to file

I have a script that I'm using to capture some status of the server at 10 second intervals. The script is as follows: for (( ; ; )) do /usr/local/apache/bin/apachectl fullstatus sleep 10 ...
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2answers
65 views

Command keeps exiting, despite use of `nohup`

What am I doing wrong here? I Log into the first server (using putty) and run the following query: sh -c 'nohup mysqldump -hxxx -Pxxx -uxxx -pxxx --dump-slave --include-master-host-port ...
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4answers
153 views

Is it possible to run nohup and still see verbose output on screen

I have a fairly simple shell script patch file (in essence, some scripting plus rpms all in a single file). It works great but I encountered something I wasn't expecting: a user accidentally closed ...
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61 views

How to run a command from vim and direct output to /dev/null

When writing a .tex file, I want to be able to view the pdf of the file. I remapped \e to show the pdf file in evince as below: nnoremap \e :!nohup evince %:r.pdf & >/dev/null ...
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1answer
58 views

How do I stop a program sent to run in background through ssh

I started a program in the background on a remote machine through ssh using nohup ./program & I want to kill/stop this program on remote machine as it seems like an infinite loop. How can I do ...
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74 views

execute multiple commands after ssh

I need to pass a bash command into another process that needs to do the following: ssh into a computer. This does not require a password prompt. set up some environment variables: source ...
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1answer
446 views

Exiting terminal running “nohup ./my_script &” => “You have running jobs”. OK to exit?

Say I run the following on a remote box with the idea of preventing killing the job when I disconnect the terminal. nohup ./my_script.sh & When I try to exit my terminal, I got the following ...
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2answers
137 views

nohup not updating nohup.out

Boiling down to the smallest problem here is a simple python script that I want to run using nohup on linux. I run it using the following (on linux): nohup python test.py & The command seems ...
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61 views

Automatic Background Processes

I'm running my Raspberry Pi off an SSH server, and want to be able to access it out of home. Sure, all I need is an IP. But with my terrible internet, it's constantly dropping out. My IP is constantly ...
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3answers
130 views

Preventing terminal disconnection from killing a running job in zsh [duplicate]

I went through the top answer to this question: Difference between nohup, disown and &, and I read specfically the following: With disown the job is still connected to the terminal, so if the ...
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108 views

Start a process from (noninteractive) shell script (cgi) and keep it running when script ends

I want a cgi script to start a process which stays alive after the cgi script exits. I tried: #!/bin/bash nohup process-to-keep-running & That works fine, if I run the script from an ...
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3answers
743 views

Using `nohup` to Import MySQL Dump on Debian Server

I am trying to import a mysqldump file into my mysql database, but my (putty) connection to the server keeps timing out halfway through. I tried to use nohup . . . . & but this doesn't appear to ...
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105 views

nohup is not working when called from root folder

When I execute the nohup command from the same folder it's working fine (server.php is used to listen to a port 7070) root@servername:/var/www/html/admin# nohup php server.php & [4] 2803 ...
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113 views

how to use nohup while still sending stderr to the terminal

nohup automatically redirects stderr to stdout, but I want to send it to the terminal (it shows progress). How can I do that?
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2answers
338 views

stderr gets flushed before stdout, when using file logger

My python code: import sys print "i am a daemon" print "i will be run using nohup" sys.stderr.write("i am an error message inside nohup process\n") When i run the code as python a.py, it shows, i ...
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165 views

Avoiding heredoc sh[process_number].* files in /tmp directory

I have a .ksh file which logs into sqlplus and runs some queries. The block of code is something as mentioned below: //Other things done in ksh sqlplus -s @connect.sql << EOF Query1 Query2 ...
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1answer
505 views

Get the time when nohup R program finishes

I want to get the time when program finish. But it always show the same time. Here is my shell script. But it always show that START TIME is same as END TIME. START=$(date +"%r") nohup Rscript ...
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1answer
782 views

what are practical uses of stdbuf or nohup?

I have to finish a writeup of a few coreutils commands for a course at the moment, and I can't think of a starting point for a small practical code example that demonstrates the potential uses of ...
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1answer
231 views

Is there any disadvantage of executing a shell script using nohup?

To execute a shell script in background and without an interruption, we use nohup command. For example: $nohup mytest.sh & Press ALT Press Enter Is there any drawback or disadvantage of this ...
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314 views

Keep program running after logging out SSH -X, and reopening it later [duplicate]

I need to login to my school computer where I am running an experiment. I am logging via SSH -X since it uses a custom made GUI application. I want to be able open the program, make it start ...
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26 views

how can I redirect the grepped output of tail -f to a file? [duplicate]

I want to do this: tail -f /var/log/apache2/access.log | grep 'POST \/review' But I want the output to go to a file and I want this to run constantly for a day or two. I tried a simple script ...
4
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1answer
422 views

Why is `setopt nohup` required to make `nohup watch` work in zsh?

In zsh, setopt nohup seems to be required to make nohup work, as follows: # nohup does not work without setopt nohup ➜ /tmp zsh ➜ /tmp nohup watch ls & [1] 31556 nohup: ignoring input and ...
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1answer
88 views

what is the difference between starting a command with nohup and &? [duplicate]

nohub and & seem to have a similar effect on the surface, they both start processes without occupying the shell from which they have been started, how do they differ on a deeper level?
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220 views

What is the difference between letting nohup append to 'nohup.out' and explicitly redirecting it to a file?

Consider the following scenario: tail.sh: #!/bin/bash tail -f test.txt invoke.sh: #!/bin/bash nohup ./tail.sh & invoke_explicitredirect.sh: #!/bin/bash nohup ./tail.sh > out.log & ...
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431 views

nohup, screen and tmux not working when closing connection on yocto linux (intel edison)

I have an Intel Edison with Yocto Linux and standard configurations. It had nohup pre-installed and I managed to install both screen and tmux (by compiling them from sources). Now, I would like to run ...
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1answer
1k views

How to keep running a process in Android when disconnecting adb terminal? command “nohup” not found

I'm trying to analyze the reason for random reboots of my phone (see here). Therefore I wanted to record the logcat and kernel messages till the restart to see the logs even after the usb disconnects, ...
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1answer
999 views

Running script need two command with nohup

I want to run a script with nohup because it takes long time but it needs a password to run. how can I write the command using nohup. For example to run the script interactively I first run php hat ...
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2answers
463 views

How to read from a named pipe after the writer process exits?

I want to use named pipes as asynchrnonous task queues (JMS-like, perhaps). For example, suppose a client sends some data that I wish to insert into a database, but I want the client to disconnect ...
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1answer
125 views

Why process wasn't killed after closing SSH connection

I launched this command via SSH on a Debian server: watch --precise -n 1 top -b -n 1 -p 27330 | tail -n 1 | awk "{print \$9}" >> 27330.log & After a while I quit my terminal. When I ...
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3answers
952 views

Why is chromium-browser killed when I close the terminal despite nohup?

This question is old, and I am still not clear about why. Original question in 2014: In a Gnome Terminal tab, I ran $ nohup chromium-browser & But when I close the terminal tab, ...
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1answer
192 views

SSH to a server, execute update command that continues even after logging off the ssh session

Okay I saw a lot of questions like this, but almost all have either theoretical answers which do clear the concept but I am still not able to put it up in code. What I want to achieve using a bash ...
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3answers
224 views

How to completely detach a process

I want to spawn a process and run it at the top level so that when the shell exits, the process keeps running. I had mistakenly thought that nohup would do this, but when I exit from the shell (the ...
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1answer
1k views

Keep a PHP script running indefinitely on a Web Server [duplicate]

I'm having a pretty big issue that I need to get resolved. Basically I have little experience using Linux and I've been working on a project recentley that involves me having to use quite a lot of ...
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3answers
7k views

Using nohup to keep a script running indefinitely

I am very new to Linux and I've only been using it to SSH to my web server using Putty. The issue I am having is this: Basically I've got 2 php scripts. One get_tweets.php constantly listens for ...
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1answer
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How do I Nohup an interactive shell-script?

My Script is having 2 command-line arguments and then just couple of questions, after these questions the script will run for itself, I'm able to pass the command-line argument by just doing, ...