Install libcache-ref-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libcache-ref-perl
Description:
Perl module for caching references in memory
Cache::Ref implements in-memory caching, designed primarily for shared references. It supports various caching algorithms. . It differs from CHI (libchi-perl), in that it does not attempt to address the problem of caching things persistently.
Homepage: http://search.cpan.org/dist/Cache-Ref/
Version: 0.04-1
Section: universe/perl