Install libnet-hotline-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libnet-hotline-perl
Hotline interface module for Perl
Net::Hotline contains an interface to write programs that connect to Hotline servers. Hotline is a set of protocols allowing chat, news, and file transfers. Any user can run his/her own server and register it with a public tracker, which is a meta-server that users can access to obtain a list of registered servers and connect to them.