[Ubuntu] Telnet.

$ sudo apt-get install xinetd
$ sudo apt-get install telnetd
$ vi /etc/xinetd.conf
###################################
service telnet
{
     disable = no
     flags = REUSE
     socket_type = stream
     wait = no
     user = root
     server = /usr/sbin/in.telnetd
     log_on_failure += USERID
}
###################################

$ sudo /etc/init.d/xinetd restart

cf) telnet root 접속
# vi /etc/pam.d/login 에서,
auth required  /lib/security/pam_securetty.so 이것을 주석처리

# sudo /etc/init.d/xinetd restart

########################################

telnet 터미널.

zterm_141.exe