This question might have been asked before but I don't see it.

I use screen ssh to remotely start processes that take multiple days. I ssh in, start multiple processes in the background, and detach with CRTL+A d. I don't know why, but after a certain amount of time 'screen -r' doesn't resume the screen, although the process is still running (I can scp the data it's producing; all looks good). That's fine.

However, the jobs are very processing heavy and I want to be able to stop them. How do I do that? Like I said, screen -r doesn't work. ssh'ing in again and typing ps doesn't show them.

  • And kill -9 does not work?
    – mdpc
    Dec 5, 2014 at 17:09

1 Answer 1


You are using screen the wrong way.

You should connect with ssh and start screen on the remote system (or reattach to it). On the remote system you should open a new screen window for each process. Thus there is no need to run them in the background.

  • Thanks. That makes sense. If I started the processes like above, do you know how I'd stop them? Dec 5, 2014 at 18:17
  • @Qroid The first try should be Ctrl-c as usual. You can also kill the whole window with ^A k which usually kills the processes which belong to this terminal (by SIGHUP). But the question how to kill is not related to the usage of screen. Dec 5, 2014 at 18:33

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