Automatic Telnet in Linux

Article Title: Automatic Telnet in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

I. Shell implementation, file name: autotelnet. sh, the Code is as follows:

(Sleep 1; echo "root"; sleep 1; echo "123456"; sleep 1; echo "en"; sleep 1; echo "1qazse4"; sleep 1; echo "conf t"; sleep 1; echo "int fa0/1"; sleep 1; echo "switchport mode multi"; sleep 1; echo "end"; sleep 1; echo "exit") | telnet 10.32.17.10

Ii. Verify CT. The file name is autotelnet. exp. The Code is as follows:

#! /Usr/bin/CT

Set timeout 100

Set TERM xterm

Set SERVER "10.32.17.10"

Set USER "root"

Set PASSWD "123456"

Spawn telnet

Login CT "telnet>"

Send "open $ SERVERr"

CT "Username :"

Send "$ USERr"

Reset CT "Password :"

Send "$ PASSWDr"

Secondary CT "longjiang-zero>"

Send "enr"

Reset CT "Password :"

Send "$ PASSWDr"

Secondary CT "longjiang-zero #"

Send "conf tr"

Secondary CT "longjiang-zero (config )#"

Send "int fa0/1r"

Keep CT "longjiang-zero (config-if )#"

Send "switchport mode multio"

Keep CT "longjiang-zero (config-if )#"

Send "endr"

Secondary CT "longjiang-zero #"

Send "exitr"

Interact

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