To setup MineCraft server on Ubuntu, first you need to install Java.
apt install openjdk-8-jre -y
Create a user to run minecraft
useradd -m --shell /bin/bash minecraft
You can set a password if you want direct SSH login to this user or login as root, then “su – minecraft”.
passwd minecraft
Login as user minecraft with SSH or “su”.
Download minecraft server .jar file from
https://www.minecraft.net/en-us/download/server/
At the time of writing, i downloaded
wget https://launcher.mojang.com/v1/objects/3dc3d84a581f14691199cf6831b71ed1296a9fdf/server.jar
Don’t use above link as it can get older, always go to minecraft site and get new link, so you get latest minecraft server jar file.
You can start minecraft server with command
java -Xmx1024M -Xms1024M -jar server.jar nogui
First time when you run, it exit with some error related to EULA.
You need to edit file
vi eula.txt
Set
eula=true
Now minecraft will run. You can create a run.sh file with following command for starting minecrat easily.
vi ~/start.sh
Paste following content
#!/bin/bash java -Xmx1024M -Xms1024M -jar server.jar nogui
To make the file executable, chmod it 755
chmod 755 ~/start.sh
When you start minecraft from terminal/ssh, it get closed when you disconnect. To keep minecraft server running after you disconnect, use tmux or screen.