Running Script not showing on EC2

Question

I just installed all necessary dependencies on a new AWS EC2 Linux 2 server and launch my long_running_script.py. This script essentially performs a few operations then sleeps for a few hours on a never ending loop.

When I launched the script initially, I saw the correct output and all was fine. I disconnected from the instance, and when I reconnected I expected to see the same output as before.

Instead I can't seem to see any script output or see it running after typing in the 'ps aux' command.

Did disconnecting from the instance somehow abort the script? If so, how can I make sure it stays running?

Appreciate your help.

Answer 1

Did disconnecting from the instance somehow abort the script? If so, how can I make sure it stays running?

Yes it did. There are many ways to solve this. You can launch it using tmux or screen . Lunching your program in these "shells" will keep it running after you log out.

There is also nohup and pm2 which could also be helpful.