How to make a programme continue to run after log out from ssh?

linux bash ssh
omg picture omg · Jun 5, 2009 · Viewed 185.6k times · Source

Possible Duplicate:
Prevent a background process from being stopped after closing SSH client

I have a program that takes a lot of time to finish. It is running as root over ssh.
I want it to continue to run after I logout,is this possible and how would I achieve this?

Answer

Paused until further notice. picture Paused until further notice. · Jun 5, 2009

Assuming that you have a program running in the foreground, press ctrl-Z, then:

[1]+  Stopped                 myprogram
$ disown -h %1
$ bg 1
[1]+ myprogram &
$ logout

If there is only one job, then you don't need to specify the job number. Just use disown -h and bg.

Explanation of the above steps:

You press ctrl-Z. The system suspends the running program, displays a job number and a "Stopped" message and returns you to a bash prompt.

You type the disown -h %1 command (here, I've used a 1, but you'd use the job number that was displayed in the Stopped message) which marks the job so it ignores the SIGHUP signal (it will not be stopped by logging out).

Next, type the bg command using the same job number; this resumes the running of the program in the background and a message is displayed confirming that.

You can now log out and it will continue running..

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