installing telnet deamon

$ sudo apt-get install xinetd telnetd

 

make a “telnet” file in /etc/xinet.d/

:::: vim /etc/xinet.d/telnet

# default: off
service telnet
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}

then restart the process

$ sudo /etc/init.d/xinetd restart