Running multiple scripts at the same time in background - VPS with AWS EC2 and Python Intro to AWS | Summary and Q&A

TL;DR

Learn how to run multiple scripts simultaneously in a VPS web server by using background running and foreground bringing commands.

Key Insights

• 🏃 Running multiple scripts simultaneously in a VPS web server can be achieved by using background running and foreground bringing commands.
• 🏃 The "&" symbol is used to run a script in the background, while the "FG" command brings background-running scripts to the foreground.
• 🏃 The "Ctrl+C" keyboard interrupt can be used to stop foreground-running scripts without affecting background-running scripts.
• 🎮 Printing output to the console can be avoided by not including console printing in the script or using a separate log file.

Transcript

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Questions & Answers

Q: How can you run multiple scripts simultaneously in a VPS web server?

You can run multiple scripts simultaneously in a VPS web server by running each script in the background using the "&" symbol and bringing them to the foreground with the "FG" command when needed.

Q: Can you stop a script while allowing others to continue running in the background?

Yes, you can stop a script while allowing others to continue running in the background by using the "Ctrl+C" keyboard interrupt for foreground-running scripts, while the background-running scripts will continue executing.

Q: Is it necessary to print output to the console when running scripts simultaneously?

No, it is not necessary to print output to the console when running scripts simultaneously. You can choose to omit console printing or incorporate a log file within your script to log all actions.

Q: What happens to running scripts when a user logs out of the VPS web server?

When a user logs out of the VPS web server, running scripts will cease to run. However, there is a solution to keep the scripts running even after logging out, which will be explained in the next video.

Summary & Key Takeaways

• Running multiple scripts simultaneously in a VPS web server can be challenging, but it can be achieved by using background running and foreground bringing commands.

• By running a script in the background using the "&" symbol, it will continue to run while allowing you to execute other scripts in the foreground.

• You can bring background-running scripts to the foreground by using the "FG" command and stop them using the "Ctrl+C" keyboard interrupt.