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I'm trying to use a script to start my Minecraft server on a detached screen. I have a start.sh file setup as per instructions:

#!/bin/sh

screen -d -m -S minecraft java -Xms6G -Xmx6G -jar spigot-1.15.2.jar

After I execute start.sh, I check my screen list my Minecraft screen does not exist. If I cut out the screen bit the script works exactly as intended (screen also works just fine on its own). I'm not too experienced with bash, I may need an ELI5.

edit: some clarification

  • Is screen installed? – user535733 Mar 27 at 14:12
  • @user535733 Yes. I use it to run a few other scripts, but every time I have to manually create the screens and then detach. That's why I'd like to make a script to start the screen. – Bryan Mar 27 at 14:14
  • You made the script executable? You get NO error messages or warnings? – user535733 Mar 27 at 14:16
  • Yeah it's executable and runs just fine if its only the java -Xms6G -Xmx6G -jar spigot-1.15.2.jar bit. If I include the screen part, it just does nothing. No error, no warning, no screen created. – Bryan Mar 27 at 14:20
  • Just figured something out. I was running the start.sh with sudo because the jar won't run otherwise. If I just run the script without sudo, the screen is created, but now the jar doesn't have permission to run. What's the workaround? – Bryan Mar 27 at 14:32
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Yeah so it was a permissions issue. The directory was owned by root:root just changed it to my user/group.

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