Minecraft Java Server

How to setup Minecraft Java Server on Ubuntu Server

Step 1 – Install packages and configure firewall

$ sudo apt update && sudo apt upgrade -y
$ sudo apt install openjdk-17-jre-headless -y
$ sudo apt install screen
$ sudo ufw allow 25565

Step 2 – Download Minecraft Server v1.21

$ wget https://piston-data.mojang.com/v1/objects/84194a2f286ef7c14ed7ce0090dba59902951553/server.jar
$ mv server.jar minecraft_server_1.21.jar

Step 3 – Configuration and running server

$ sudo nano eula.txt

Change eula=false to eula=true

CTRL+O (save)
CTRL+X (exit)

java -Xmx1024M -Xms1024M -jar minecraft_server_1.21.jar nogui