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53
votes
6answers
29k views

How can I close a terminal without killing the command running in it?

Sometimes I want to start a process and forget about it. If I start it from the command line, like this: redshift I can't close the terminal, or it will kill the process. Can I run a command in ...
23
votes
4answers
1k views

What's the difference between running a program as a daemon and forking it into background with '&'?

What are the practical differences from a sysadmin point of view when deploying services on a unix based system?
12
votes
7answers
23k views

Execute remote commands, completely detaching from the ssh connection

I have 2 computers, localpc and remoteserver. I need localpc to execute some commands on remoteserver. One of the things it needs to do is start a backup script that runs for a number of hours. I ...
3
votes
3answers
66 views

Log to multiple files while process in background (nohoup)

I have bash script that logs to two log files in parallel. echo "$(date) | [STATE] Activating IP forwarding" >> $logsPath$logFileName echo $(date +"%Y-%m-%d %H:%M")","$previousState >> ...
15
votes
2answers
16k views

How to suspend and bring a background process to foreground

I have a process originally running in the foreground. I suspended by Ctrl+Z, and then resume its running in the background by bg <jobid>. I wonder how to suspend a process running in the ...
8
votes
3answers
176 views

If you ^Z from a process, it gets “stopped”. How do you switch back in?

I accidentally "stopped" my telnet process. Now I can neither "switch back" into it, nor can I kill it (it won't respond to kill 92929, where 92929 is the processid.) So, my question is, if you have ...
2
votes
5answers
448 views

How to start a program in the background

The program Boblight does not run in background. There is no noticeable difference between executing sudo boblightd and sudo boblightd& How can I solve this problem that the console will ...
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 & ...
7
votes
3answers
693 views

How do you send command line apps directly to the background?

I already know that pressing ctrl+z stops the app, then I can send the app to background with the bg command, but that means there is a brief preiod of time that the app is stopped. How do I send the ...
5
votes
6answers
280 views

Run a command without making me wait

On the CLI, sometimes a command I type takes a while to complete, and sometimes I know when that's about to happen. I'm a bit confused on "backgrounding" and such in Linux. What is the most common ...
1
vote
1answer
349 views

Is it possible to customise the prompt to show the if there are any background jobs?

Is it possible to customise the bash prompt to show the if there are any background jobs? I find it easy to forget that there are background jobs. Say if the prompt was... $ Is there a way to ...