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2
votes
3answers
2k views

Where do background jobs go?

From gnome-terminal I know the ability to suspend a job with C-z, and then send it to the background. When I close the terminal the process does not end. Where is the job being managed from, or is it ...
2
votes
2answers
500 views

Run program after finish ssh connection

How do I connect to ssh debian and running a program and let it continue to run after you finish my connection through ssh.
2
votes
1answer
474 views

Difference between process in background and daemon [duplicate]

What is technically the difference of a process that started in foreground and was manually put into background and a daemon? Do they have different properties?
2
votes
1answer
503 views

How to wait for a subprocess used for I/O redirection?

Consider the following snippet of Bash script: exec 3> >(sleep 1; echo "$BASHPID: here") do-something-interesting exec 3>&- wait $! echo "$BASHPID: there" When executed, it produces: ...
2
votes
1answer
230 views

Dialog - Continue in background

I installed this program: http://invisible-island.net/dialog/dialog.html Now I want to use this dialog: http://invisible-island.net/dialog/dialog-figures.html#demo_gauge dialog --gauge 'Checking ...
2
votes
2answers
856 views

How to bring back SSH session that was started with the -f option (run in background)

I'm pretty lost on this. From the man page: -f Requests ssh to go to background just before command execution. After starting SSH with the -f option, I have a working tunnel. But after I ...
2
votes
1answer
2k views

Ksh Script to ftp multiple directories simultaneously

I'm new to this site and i have this problem: I have a directory in unix with multiple directories in it. Each directory have around 5k files in it. So we are talking about 40k to 50k files. I need ...
2
votes
1answer
979 views

daemon function in /init.d does not run the program in the background in fedora13

I use Fedora 13 and am trying to create a service for darkice. I put the script in the /etc/init.d directory and if I use the command service darkice start, the darkice is running in the foreground ...
2
votes
0answers
64 views

Adding wallpapers in GNOME Shell

When executing Activities → Settings → Background, you can find three background tabs: [Wallpapers] [Pictures] [Colors] In [Wallpapers] you can find backgrounds under /usr/share/backgrounds/, but ...
2
votes
1answer
473 views

Python script run while screen is locked

I have a python script which seems to be failing to continue running its while True: ... sleep() loop my code is at http://github.com/xdaimon/xdaimonConky What happens is I autostart python on ...
2
votes
0answers
1k views

How to run ssh -t user@remote 'sudo nohup bash -c “comand”' in background

I want to run a script on a remote host with sudo privilege, someone suggests that I should use nohup and ssh -t, like the following command: The script ls; sleep 10; echo finish is crafted here to ...
2
votes
0answers
280 views

What happens when you background a function which calls another function?

Question says it all on the tin. Can someone explain to me what goes on here ? I'm trying to find out how to background a process in a script that calls another function and reliably terminate it when ...
1
vote
2answers
816 views

Have bash script wait for password

I want to write a little script which sets up a socks proxy via ssh and then starts a browser using that proxy. #!/bin/bash ssh -D 1234 user@host #& chromium-browser ...
1
vote
3answers
352 views

`wait` doesn't wait for `wget --background`

I have gone through several SE posts on the unix wait command and none of the posts resolve my problem. I have a weather forecast model to run. It has first to prepare some folders, then download data ...
1
vote
1answer
56 views

How and where can I permanently set $ program file to have extra argument '&'

When I run a program from terminal like so: $ program file For example $ gedit myfile.txt I cannot think of a time when I would not prefer to use '&' so that I can free up my terminal ...
1
vote
4answers
188 views

Where to put a background script

I have a script that i want to be constantly running in the background but I don't know where to launch it from If I put it in .bashrc it will run multiple times (one for each login) It's an ...
1
vote
1answer
114 views

Explanation for background tasks on bash

First, I write a simple PHP script <?php while(true) { echo 'hey'.PHP_EOL; sleep(1); } Then I run it like: php test.php & Obviously goes into background, but keeps running and ...
1
vote
3answers
2k views

Bash wait for jobs and limit job count [duplicate]

Possible Duplicate: Four tasks in parallel… how do I do that? Suppose a loop invoking a command grep -v '#' < files.m3u | sed 's/\\\\/\/\//g' | sed 's/\\/\//g' | while read line ...
1
vote
1answer
73 views

What does ^Z mean?

I tried using ^Z to send and application to the background(to then use fg to restore) but I notice that it says "Stopped" and in another terminal while monitoring htop, everything just freezes. Is ...
1
vote
1answer
151 views

Alias for redirecting both standard output and standard error, as well as sending to background [duplicate]

I am trying to create an alias for redirecting both standard output and standard error of gedit to /dev/null, whilst sending the command to background. This works: $ alias gedit='gedit $1 > ...
1
vote
2answers
406 views

How to terminate a background process in Linux when the pid is unknown?

I have a job dispatcher bash shell script containing below codes: for (( i=0; i<$toBeDoneNum; i=i+1 )) do while true do processNum=`ps aux | grep Checking | wc -l` ...
1
vote
3answers
92 views

ssh targetHost &; fg - does not work, but why?

I was trying the following combination in order to get the pid of the ssh session (running in the background displays the pid) and than fg to get back to the ssh session and introduce the password: ...
1
vote
2answers
2k views

How to know if a background job is finished?

I invoke a script (do_something) in background via another script (do_manythings) as below. nohup do_something & How would I know in the parent script (do_manythings) that the job invoked ...
1
vote
2answers
2k views

How to make a program which run from shell still live after close terminal? [duplicate]

Possible Duplicate: How do I prevent a script from terminating when the shell exits? I use gnome-terminal, and I run emacs under the terminal in the background by executing emacs &, but ...
1
vote
1answer
40 views

Can I start a background process with a specific working directory?

Say I have this structure /masterscript /a/script1 /a/b/script2 In masterscript I spawn the other scripts as background processes: "/a/script1" & "/a/b/script2" & The problem is that ...
1
vote
1answer
61 views

Can't spawn backgrounded process

My team's using Pallet (think Puppet in Clojure) to automate server provisioning, but running into a fairly fundamental problem: Pallet can execute arbitrary scripts directly on target VMs, but if one ...
1
vote
1answer
46 views

How to customize a backend running job completion message?

Here is the situation, I am running a command (my own executives), in bash shell (Ubuntu), say something like this: [newbie@office currentCaseAFolder]$ FEMSolver & So that the FEMSolver job is ...
1
vote
1answer
44 views

getting pid of two last commands executed in background and do stuff

I wrote this bash: #!/bin/bash eval "(a command) &" pid1=$! eval "(while kill -0 $pid1; do .... ; done) &" #It creates file.txt after few seconds pid2=$! if [ -s ...
1
vote
1answer
117 views

spawning multiple Background processes

I have a file which has 2,000,000 lines in it. I am running some commands for each line. I was trying to achieve some parallelism using GNU-parallel and swift as discussed here. However, I got an ...
1
vote
1answer
176 views

How to ensure a process has started reading a file before continuing?

I'm trying to write a command to test that data is written to a file. My first approach was: Start reading in the background. Write some data to the file. Wait for the reader to find a result. ...
1
vote
1answer
822 views

run a remote process via autossh in background

In Ubuntu I'm trying to run the geany editor on my local X display via the command: autossh -o StrictHostKeyChecking=false -XCg me@otherDYNDNShost geany & Trouble is, after the first ...
1
vote
1answer
21 views

Trying to achieve fake transparency in Urxvt - can only get a black background?

I'm trying to achieve a (fake) transparent gray background in my URxvt (rvxt-unicode) terminal emulator. Doing this using composite transparency works as it should, but I can't get it to work using ...
1
vote
2answers
46 views

Call background process back to stdout

Is it possible to "call" a background process output to be shown in the terminal? Example: cron starts apt-get to update the system and I want to see the output of apt-get
1
vote
1answer
192 views

Application in terminal still running but not directly accessible [duplicate]

Possible Duplicate: How to suspend and bring a background process to foreground I have kind of an odd problem which I haven't encountered before. Here's what I did: I started an ...
0
votes
4answers
2k views

Opening Firefox from terminal [duplicate]

When I type firefox in terminal, it starts Firefox but the terminal "hangs". What is happening behind the scenes? Can I open Firefox from terminal and keep on using the same terminal tab for other ...
0
votes
1answer
97 views

why there is random behaviuor for a background job?

going through advanced bash scripting guide example 3.3 running a loop in background, i found this : #!/bin/bash # background-loop.sh for i in 1 2 3 4 5 6 7 8 9 10 # First loop. do echo -n "$i " done ...
0
votes
2answers
1k views

ssh + nohup does not work

I'm trying to run a program over SSH that keeps running when I disconnect. This Stack Overflow answer gave me the following command: nohup sleep 30 > foo.out 2> foo.err < /dev/null & ...
0
votes
1answer
17 views

Background Process not running?

I ran a C program with an infinite while loop in a terminal and observed one of the CPU cores shot to 100% usage. When I turn it into a background process using Ctrl+z, the CPU usage suddenly dipped ...
0
votes
2answers
794 views

How do I run two ongoing processes at once in linux/bash?

I would like to know how I can run two ongoing processes at the same time in Linux/bash. basically, I have a Node web server, and a MJPG-Streamer server. I want to run both these processes at once, ...
0
votes
4answers
4k views

Can't set background wallpaper in Gnome 3

I am using Debian Testing and Gnome Flashback (but it behaves the same in standard Gnome Shell). It gives me plain white background, and I can't set my own. Also, the settings dialog for background ...
0
votes
1answer
63 views

Background Tasks on Multicore machine?

Say I have a dual core cpu running linux. If I start two single threaded processes (nodejs) in the background, how are they scheduled? Can I assume that the OS will as best as it can, attempt to ...
0
votes
2answers
469 views

is it possible to run job in foreground after user logout

I have some job to run which need be attached to terminal (or in foreground). The job is run in remote servers, and needs keep running after the users logout. I am aware of vnc server, however, I want ...
0
votes
1answer
461 views

Enter process running in background/bring to foreground [duplicate]

Possible Duplicate: How can I disown it a running process and associate it to a new screen shell? I started a java client using nohup to get it to run in the background (needed to log out ...
0
votes
0answers
24 views

How to make the process run after closing the session [duplicate]

I have started a process in Linux without a terminal multiplexer like screen or tmux, without nohup. Now I want to logout from my remote ssh session without interrupting the execution of that process. ...
0
votes
3answers
95 views

My ubuntu background is totally black, even after opening programs such as terminal

My Ubuntu background is totally black when I log in. I can open the terminal, write command so that i open other programs, but I am unable to see any of it.
0
votes
1answer
186 views

RedHat / CentOS 5.5 background process has restricted memory

I run Fisheye that uses Java for Linux. Settings go like this: generate options FISHEYE_OPTS=`$JAVACMD -Xms100m -Xmx200m -cp $FISHEYE_HOME/fisheyeboot.jar com.cenqua.fisheye.boot.OptsSetter` build ...