How to: Run a shell script with nohup command

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Q. I’d like to run a command or shell script immune to hangups, with output to a non-tty or file. How do I use nohup command to run script called ~/utils/backup upload?

A. nohup is a Unix command that is used to run another command while suppressing the action of the HUP (hangup) signal, enabling the command to keep running after the user who issues the command has logged out. It is most often used to run commands in background as daemons. Output that would normally go to the terminal goes to a file called nohup.out if it has not already been redirected.

Run a script with nohup command

Type the command as follows to run a script called ~/utils/backup with ‘upload’ as argument to script:
$ nohup ~/utils/backup "upload" &

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

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