$ sudo apt-get update
$ sudo apt-get install libg15daemon-client1 

libg15daemon-client1 is installed in your system.

Make ensure the libg15daemon-client1 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libg15daemon-client1 *

You will get with libg15daemon-client1 package name, version, architecture and description in a table

libg15daemon-client1 package basic information: