Automatic logon and telnet settings for two platforms

Many of my friends asked me how to set automatic logon to telnet. Here we will introduce this operation. There are two platforms: Windows and Linux. We will introduce the process of automatic logon to telnet on both platforms. Hope to help you.

Automatic logon to telnet batch files

I. Automatic logon to telnet on Windows:

Copy the code to notepad and save it as autoTelnet. bat. Then, double-click it to automatically log on to the telnet server and modify the Server IP address.

 
 

  
  
@echo off  
  
  
echo set sh=WScript.CreateObject("WScript.Shell") >telnet_tmp.vbs  
  
  
echo WScript.Sleep 300 >>telnet_tmp.vbs  
  
  
echo sh.SendKeys "open 192.168.1.200" >>telnet_tmp.vbs  
  
  
echo WScript.Sleep 300 >>telnet_tmp.vbs  
  
  
echo sh.SendKeys "{ENTER}" >>telnet_tmp.vbs  
  
  
echo WScript.Sleep 300 >>telnet_tmp.vbs  
  
  
echo sh.SendKeys "engineer{ENTER}" >>telnet_tmp.vbs  
  
  
echo WScript.Sleep 300 >>telnet_tmp.vbs  
  
  
echo sh.SendKeys "ls {ENTER}">>telnet_tmp.vbs  
  
  
start telnet  
  
  
cscript //nologo telnet_tmp.vbs  
  
  
del telnet_tmp.vbs 
 
 

Appendix:

For what the SendKeys command can send, we can look at the following list:

 
 

  
  
BACKSPACE {BACKSPACE}, {BS}, or {BKSP}   
  
  
BREAK {BREAK}   
  
  
CAPS LOCK {CAPSLOCK}   
  
  
DEL or DELETE {DELETE} or {DEL}   
  
  
DOWN ARROW {DOWN}   
  
  
END {END}   
  
  
ENTER {ENTER}or ~   
  
  
ESC {ESC}   
  
  
HELP {HELP}   
  
  
HOME {HOME}   
  
  
INS or INSERT {INSERT} or {INS}   
  
  
LEFT ARROW {LEFT}   
  
  
NUM LOCK {NUMLOCK}   
  
  
PAGE DOWN {PGDN}   
  
  
PAGE UP {PGUP}   
  
  
PRINT SCREEN {PRTSC}   
  
  
RIGHT ARROW {RIGHT}   
  
  
SCROLL LOCK {SCROLLLOCK}   
  
  
TAB {TAB}   
  
  
UP ARROW {UP}   
  
  
F1 {F1}   
  
  
F2 {F2}   
  
  
F3 {F3}   
  
  
F4 {F4}   
  
  
F5 {F5}   
  
  
F6 {F6}   
  
  
F7 {F7}   
  
  
F8 {F8}   
  
  
F9 {F9}   
  
  
F10 {F10}   
  
  
F11 {F11}   
  
  
F12 {F12}   
  
  
F13 {F13}   
  
  
F14 {F14}   
  
  
F15 {F15}   
  
  
F16 {F16}   
  
  
SHIFT +   
  
  
CTRL ^   
  
  
ALT %  
 
 

II. Automatic logon to telnet on Linux

Make sure that your system has an executable program, save the following code to the file autoTelnet, and grant the execution permission. Detailed operation view command audit CT

 
 

  
  
#!/usr/bin/expect --  
  
  
set SERVER "192.168.1"  
  
  
set USER "myusername"  
  
  
set PASSWD "mypass"  
  
  
if { $argc } {  
  
  
spawn telnet $SERVER.$argv  
  
  
} else {  
  
  
spawn telnet $SERVER.200  
  
  
}  
  
  
expect "Password:"  
  
  
send "$PASSWD\n"  
  
  
expect "#"  
  
  
send "ls\n"  
  
  
interact