$ sudo apt-get update
$ sudo apt-get install libplexus-maven-plugin-java 

libplexus-maven-plugin-java is installed in your system.

Make ensure the libplexus-maven-plugin-java package were installed using the commands given below,

$ sudo dpkg-query -l | grep libplexus-maven-plugin-java *

You will get with libplexus-maven-plugin-java package name, version, architecture and description in a table

libplexus-maven-plugin-java package basic information: