run python program in background linux
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running a python program in the background on a linux system can be useful in various scenarios, such as when you want a script to continue running even after you log out or when you need to run a long-running task without tying up your terminal. in this tutorial, i'll guide you through running a python program in the background using a couple of different methods.
create a python script:
first, let's create a simple python script. for this example, i'll use a script named example.py.
run the script with nohup:
use the nohup command to run the python script in the background.
you'll see a message like nohup: ignoring input and appending output to 'nohup.out'. this means your script is now running in the background.
check the output:
the output of your script will be redirected to a file named nohup.out in the same directory. you can check the output by using a text editor or the cat command.
you should see the output of your python script.
install screen if not already installed:
create a new screen session:
this command creates a new screen session named my_python_session. you'll be switched to a new terminal.
run the python script in the new screen session:
your python script is now running in the screen session.
detach from the screen session:
to detach from the screen session, press ctrl + a, followed by d. this leaves the screen session running in the background.
reattach to the screen session (optional):
...
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