$ sudo apt-get update
$ sudo apt-get install libdesktop-agnostic0 

libdesktop-agnostic0 is installed in your system.

Make ensure the libdesktop-agnostic0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libdesktop-agnostic0 *

You will get with libdesktop-agnostic0 package name, version, architecture and description in a table

libdesktop-agnostic0 package basic information: