ubuntu支持telnet

1)
sudo apt-get install xinetd telnetd


2)
sudo vi /etc/inetd.conf 
telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd
3)
sudo vi /etc/xinetd.conf


# Simple configuration file for xinetd
#
# Some defaults, and include /etc/xinetd.d/
defaults
{
# Please note that you need a log_type line to be able to use log_on_success
# and log_on_failure. The default is the following :
# log_type = SYSLOG daemon info
instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}
includedir /etc/xinetd.d


4)  sudo vi /etc/xinetd.d/telnet
# default: on
# description: The telnet server serves telnet sessions; it uses \
# unencrypted username/password pairs for authentication.
service telnet
{    
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}


 5)sudo /etc/init.d/xinetd restart


 6)
TELNET客户端远程登录；


ifconfig -a    //// 显示本机地址。