Install inetutils-inetd by entering the following commands in the terminal:
sudo apt update sudo apt install inetutils-inetd
Description:
internet super server
Inetd is the daemon that listens on various TCP and UDP ports and spawns programs that can't or won't do it for themselves. . This is the portable GNU implementation of inetd. The package supports IPv6, tcpmux services and unlimited server arguments.
Homepage: https://www.gnu.org/software/inetutils/
Version: 2:1.9.4-3
Section: universe/net