1>编辑telent的配置文件/etc/xinetd.d/telnet 如下: (设置disable = no,也就是开启telnet服务) service telnet { disable = no socket_type = stream server = /usr/sbin/in.telnetd # server_args = protocol = tcp user = root wait = no } 2> 配置文件改好后重启服务即可: service xinetd restart