嵌入式安装telnet

busybox配置

Defined at networking/Config.in:784
Depends on: TELNET 
Location: 
    -> Networking Utilities 
    [*] telnetd (NEW)
    [*]   Support standalone telnetd (not inetd only) (NEW)

rcS

# mkdir /dev/pts
# mount -t devpts devpts /dev/pts 

添加用户

# adduser root