$ sudo apt-get update
$ sudo apt-get install libsss-idmap0 

libsss-idmap0 is installed in your system.

Make ensure the libsss-idmap0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libsss-idmap0 *

You will get with libsss-idmap0 package name, version, architecture and description in a table

libsss-idmap0 package basic information: