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Thursday, August 18, 2011

ssh auto login script


#!/usr/bin/expect -f
# Expect script to supply root/admin password for remote ssh server 
# and execute command.
# This script needs three argument to(s) connect to remote server:
# password = Password of remote UNIX server, for root user.
# ipaddr = IP Addreess of remote UNIX server, no hostname
# scriptname = Path to remote script which will execute on remote server
# For example:
#  ./sshlogin.exp password 192.168.1.11 who 
# ------------------------------------------------------------------------
# Copyright (c) 2004 nixCraft project
# This script is licensed under GNU GPL version 2.0 or above
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit http://bash.cyberciti.biz/ for more information.
# ----------------------------------------------------------------------
# set Variables
set password [lrange $argv 0 0] 
set ipaddr [lrange $argv 1 1]   
set username [lrange $argv 2 2] 
set timeout -1   
# now connect to remote UNIX box (ipaddr) with given script to execute
spawn ssh $username@$ipaddr
match_max 100000
# Look for passwod prompt
expect "*?assword:*"
# Send password aka $password 
send -- "$password\r"
# send blank line (\r) to make sure we get back to gui
send -- "\r"
expect eof


Ref: http://bash.cyberciti.biz/security/expect-ssh-login-script/

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