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without password to login into remote machine- in the script ??

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Top Forums Shell Programming and Scripting without password to login into remote machine- in the script ??
# 1  
Old 06-12-2009
without password to login into remote machine- in the script ??
HI,

I need to write a script ..

when I run this script , will directly goto that remote machine without asking password..

Once it is entered, I needs to transfer some of the log files...


how can I proceed ?
# 2  
Old 06-12-2009
If you can ssh to the remote server, then you can use scp or sftp to transfer the log files without password.

For this you need to generate ssh keys from your server, so you can send your key to the account on the remote server and add to authorized_keys file onthe remote server. This will enable you to log on without password or scp / sftp without password
# 3  
Old 06-12-2009
explore expect or with perl using CPAN module Net:SSH
# 4  
Old 06-12-2009
Example Script


#!/usr/local/bin/expect --

set timeout 20

set server "[lindex $argv 0]"
set username "[lindex $argv 1]"
set password "[lindex $argv 2]"
spawn telnet $server
expect "login:"
send "$username\r"
expect "Password:"
send "$password\r"
expect "% "
send "ls\r"
expect "% "
# 5  
Old 06-12-2009
Only problem with using expect / telnet is that your password has to be in a script and its plain on the network..

but if security isnt a worry ( not for me... just bloody security group ) then its fine.. if not, then ssh is the way...
# 6  
Old 06-12-2009
you can use rsh and rcp .

Check the man pages of these two for details
# 7  
Old 06-12-2009
hi

please follow the steps in the link

http://www.ehow.com/how_4750765_rsyn...-password.html

i got success after two days struggle.....the article may be misleading at some times . please read carefully
Last edited by aemunathan; 06-12-2009 at 01:50 PM..
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