Script code for ssh Login CT Automatic Logon

Implementation: For ssh remote logon, a bunch of user names and passwords must be specified each time. Automatic Logon is required.
Login process: Local A first logs on to B and then B logs on to the final C

As follows:

Copy codeThe Code is as follows :#! /Usr/bin/CT-f
Set timeout 30
Spawn ssh B
Reset CT "password :"
Send "passwd @ \ r"
CT "] *"
Send "ssh name @ C-p port \ r"
Reset CT "password :"
Send "passwd \ r"
Interact

To run keep CT on the system, you must first install Tcl
# Apt-get install expect