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How do I stop a nohup process from running?
When using nohup and you put the task in the background, the background operator ( & ) will give you the PID at the command prompt. If your plan is to manually manage the process, you can save that PID and use it later to kill the process if needed, via kill PID or kill -9 PID (if you need to force kill).
What is disown bash?
In the Unix shells ksh, bash, fish and zsh, the disown builtin command is used to remove jobs from the job table, or to mark jobs so that a SIGHUP signal is not sent to them if the parent shell receives it (e.g. if the user logs out).
What is the purpose of nohup?
Run a command immune to hangups, with output to a non-tty
nohup/Function
What is nohup and how do you use it?
Nohup is short for “No Hangups.” It’s not a command that you run by itself. Nohup is a supplemental command that tells the Linux system not to stop another command once it has started.
How to handle the exit code of a nohup command?
If you need to run the java process and handle its exit code without being in an active terminal session, call your parent script (above) with nohup not the java code. The parent script could be nohup ed and will survive in the background with no controlling terminal and do the emailing or cleanup reliably.
What happens if nohup fails in the background?
If nohup fails in the background, wait will pick up its exit code and allow it to be checked; but if nohup is successful in starting java, then the wait command will keep waiting until the java exits, since both nohup and java will be run in the same process one after another.
What happens when you execute nohup in shell?
The shell does not wait for the command to finish, and the return status is 0. Technically, the shell forks a subshell to execute the nohup command, and the main shell executing the script immediately proceeds to the next command in the script.