Go to [[https://www.minecraft.net/en-us/download/server|this website]] to download the minecraft jar. You can optionall wget the jar as well.

  cd /root/minecraft
  wget https://piston-data.mojang.com/v1/objects/f69c284232d7c7580bd89a5a4931c3581eae1378/server.jar
  ufw allow 25565
  screen
  java -Xmx1024M -Xms1024M -jar minecraft_server.1.18.1.jar nogui
  
Detach from the screen and you should now be able to connect from your client.