Ubuntu系统开启Telnet服务的步骤

步骤如下：

1. 在终端输入命令：sudo apt-get install xinetd telnetd

2. 安装成功后，系统会显示有相应得提示

运行：

•  sudo vi /etc/inetd.conf 并加入以下一行

•  telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd

• 输入sudo vi /etc/xinetd.conf并加入内容：

    # 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

 sudo vi /etc/xinetd.d/telnet并加入以下内容：

    # 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

    }

 重启机器或重启网络服务sudo /etc/init.d/xinetd restart

 使用TELNET客户端远程登录；

ifconfig -a    //// 显示本机地址。