SSH session automatic login and crontab usage for scheduling task based on particular time

#!/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 <http://cyberciti.biz/fb/>


# 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 scriptname [lrange $argv 2 2] 


set arg1 [lrange $argv 3 3] 


set timeout -1   


# now connect to remote UNIX box (ipaddr) with given script to execute


spawn ssh root@$ipaddr $scriptname $arg1


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





With courtesy:

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



 mkitab "lok:2:once:/home/lokesh/lok.sh  > dev/console"