This is a minecraft server plugin that works with any minecraft server.
download and install from oracle site
create file: /etc/apt/sources.list.d/webupd8team-java.list
add to that file:
deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main
run command:
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886
apt-get update
apt-get install oracle-java8-installer
java -jar mua.jar
see Contributing