$ sudo apt-get update
$ sudo apt-get install phasex-dbg 

phasex-dbg is installed in your system.

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

$ sudo dpkg-query -l | grep phasex-dbg *

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

phasex-dbg package basic information: