Install libfilesys-diskspace-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libfilesys-diskspace-perl
Description:
fetch filesystem size and usage information from Perl
This Perl module allows you to fetch filesystem size and usage information (such as the df command displays) from Perl.
Homepage: http://search.cpan.org/~ftassin/Filesys-DiskSpace
Version: 0.05-16+nmu2
Section: universe/perl