busybox启用telnetd服务

busybox已经提供了telnetd的支持，只需以下几步开启嵌入式linux的telnetd支持

1、内核配置

Device Drivers --->

Character devices

[*] Unix98 PTY support                                                                                     

[*] Legacy (BSD) PTY support

(256) Maximum number of

2、busybox

# BusyBox -> Networking Utilities -> telnetd

# BusyBox -> Networking Utilities -> Support standalone telnetd (not inetd only)

3、文件系统修改

mkdir /dev/pts

mknod ptmx c 5 2

修改/etc/fstab 增加

devpts                   /dev/pts   devpts     defaults          0            0

增加/etc/group

root::0:root

增加/etc/passwd

root::0:0:root:/:/bin/sh

4、运行 telnetd启动telnet服务