Setup script for a mincraft server based on Ubuntu

example.sh

wget -O minecraft_server_setup.sh https://gist.githubusercontent.com/gotcake/cf8d2c025c0e208a454368af181d4738/raw/1077e9494c0d17e5af4a6839e04b021f598dbee8/mincraft_server_setup.sh
bash minecraft_server_setup.sh

mincraft_server_setup.sh

#!/bin/bash

set -ex

# create user
if [ -z "$(cut -d: -f1 /etc/passwd | grep minecraft)" ]; then
  useradd -d /minecraft minecraft
  usermod -aG sudo minecraft
fi

# install java
if [ -z "$(which java)" ]; then
  apt install openjdk-11-jre-headless
fi

# download and install
mkdir -p /minecraft/build
rm -rf /minecraft/build/*
cd /minecraft/build
wget -O BuildTools.jar https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar
java -jar BuildTools.jar --rev latest