Create setup_minecraft.sh

setup_minecraft.sh

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+#!/bin/bash
+
+# Minecraft Java Server Installer for Proxmox LXC/VM
+# Tested on Debian 11/12 and Ubuntu 24.04
+# Author: TimInTech
+
+set -e  # Exit script on error
+
+# Install required dependencies
+sudo apt update && sudo apt upgrade -y
+sudo apt install -y openjdk-17-jre-headless screen wget curl jq
+
+# Set up server directory
+sudo mkdir -p /opt/minecraft
+sudo chown $(whoami):$(whoami) /opt/minecraft
+cd /opt/minecraft
+
+# Fetch the latest PaperMC version
+LATEST_VERSION=$(curl -s https://api.papermc.io/v2/projects/paper | jq -r '.versions | last')
+LATEST_BUILD=$(curl -s https://api.papermc.io/v2/projects/paper/versions/$LATEST_VERSION | jq -r '.builds | last')
+
+# Validate if version and build numbers were retrieved
+if [[ -z "$LATEST_VERSION" || -z "$LATEST_BUILD" ]]; then
+  echo "ERROR: Unable to fetch the latest PaperMC version. Check https://papermc.io/downloads"
+  exit 1
+fi
+
+echo "Downloading PaperMC - Version: $LATEST_VERSION, Build: $LATEST_BUILD"
+wget -O server.jar "https://api.papermc.io/v2/projects/paper/versions/$LATEST_VERSION/builds/$LATEST_BUILD/downloads/paper-$LATEST_VERSION-$LATEST_BUILD.jar"
+
+# Accept the Minecraft EULA
+echo "eula=true" > eula.txt
+
+# Create start script
+cat <<EOF > start.sh
+#!/bin/bash
+java -Xms2G -Xmx4G -jar server.jar nogui
+EOF
+
+chmod +x start.sh
+
+# Ensure screen is installed before starting the server
+if ! command -v screen &> /dev/null; then
+  echo "ERROR: 'screen' is not installed. Install it with 'sudo apt install screen'."
+  exit 1
+fi
+
+# Start the server in a detached screen session
+screen -dmS minecraft ./start.sh
+
+echo "Setup complete! Use 'screen -r minecraft' to open the console."