Create a Screen session with a bash script using crontab

ubuntu_ulysses

I want a .jar file to run every time the server boots up (we're using a VPS), and so I've edited crontab using crontab -e and then adding @reboot bash /home/bash/startserver.sh . But I haven't even gotten to the point where the script works at all. Here's my script: #!/bin/bash screen -S bukkit cd $HOME/server java -jar bukkit.jar The reason that...

Originally asked by Jacob Larson on Stack Exchange (askubuntu) (CC BY-SA 4.0).

uphilltech

Good Linux question — answering as the UphillTech team:

Start screen in detached mode, and make it run your command inside it: screen -d -m -S bukkit bash -c 'cd $HOME/server && java -jar bukkit.jar' You might want to create a dedicated script bukkit.sh : #!/bin/bash -e cd ~/server java -jar bukkit.jar So that if the script becomes more complex you don't have to write a long line for screen , and so the screen command can stay the same, simply: screen -d -m -S bukkit path/to/bukkit.sh

Full answer by janos: https://askubuntu.com/a/428719 (CC BY-SA 4.0).

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