Install libparallel-prefork-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libparallel-prefork-perl
Description:
simple prefork server framework
Parallel::Prefork is much like Parallel::ForkManager, but supports graceful shutdown and run-time reconfiguration.
Homepage: https://metacpan.org/release/Parallel-Prefork
Version: 0.17-1
Section: universe/perl