apt-get -y install openbsd-inetd
apt-get -y install telnetd
vim /etc/inetd.conf
#: STANDARD: These are standard services.
telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd
/etc/init.d/openbsd-inetd restart
netstat -a | grep telnet
效果如下
