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I was running a process in background like:

java -jar RateUpdate.jar&

The output was showing up in the putty terminal. However I lost ssh connection to my putty terminal and so restarted the session. I can see that the process I ran in background is still running(using ps aux|grep java) However I want to see the output as well as I was getting before I lost connection.How can I do that .Could anyone suggest?

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3 Answers 3

Reset to default
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You can use screen. See some examples here, and here some examples with ssh to solve your connections lost.

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1 Comment

+1. I suggest adding an immediate example on how to run the command java -jar RateUpdate.jar with screen, and restore it after reconnecting with another ssh session.
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If you know in advance that you are going to need to reconnect and resume the command your best bet would be to use tmux. It is a modern remake of the older utility GNU Screen.

However if you did not know in advance and you want to save a program which is already "lost" with no terminal you can use reptyr to reattach it to a terminal to get it back.

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I used the following:

nohup java -jar RateUpdateBUS.jar>log22Julylog &

and it worked just fine.Closing the terminal didnt stop the process and output was redirected to log22Julylog file.

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