$ sudo apt-get update
$ sudo apt-get install percona-xtrabackup-dbg 

percona-xtrabackup-dbg is installed in your system.

Make ensure the percona-xtrabackup-dbg package were installed using the commands given below,

$ sudo dpkg-query -l | grep percona-xtrabackup-dbg *

You will get with percona-xtrabackup-dbg package name, version, architecture and description in a table

percona-xtrabackup-dbg package basic information: