Сервис INETD

# apt install inetutils-inetd

Web сервер на shell

# cat /etc/inetd.conf

...
www stream tcp nowait root /usr/local/sbin/webd webd
#www stream tcp nowait user1 /usr/local/sbin/webd webd
#www stream tcp nowait root /usr/sbin/chroot chroot /var/www/ /sbin/webd

#82 stream tcp nowait root /usr/local/sbin/webd webd

# service inetutils-inetd restart