Install ircd-ircu by entering the following commands in the terminal:
sudo apt update sudo apt install ircd-ircu
Description:
Undernet IRC Server daemon
This is ircu, the Undernet Internet Relay Chat daemon, which allows interactive character based communication between people connected to this server with IRC clients. It is based on the latest stable version which can be downloaded from http://coder-com.undernet.org/. . This version is compiled for network usage but it can also run standalone. You can modify its behaviour with reconfiguring/rebuilding.
Version: 2.10.12.10.dfsg1-3build1
Section: universe/net