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Full Discussion: Ssh = ssh expect and keep everything not change include parameter postion
Top Forums Shell Programming and Scripting Ssh = ssh expect and keep everything not change include parameter postion Post 302748215 by yanglei_fage on Monday 24th of December 2012 09:58:00 PM
Old 12-24-2012
Ssh = ssh expect and keep everything not change include parameter postion
I have write a script which contains
Code:
ssh -p 12345 dcplatform@10.125.42.50
ssh 127.0.0.1 -p 5555 "$CMD"
ssh root@$GUEST_IP "$CMD"

before I use public key, it works well, now I want to change to "expect", BUT I don't want to change above code and "parameter position"

I can post a expect template can some one help me to modify it

Code:
#cat sshx
#!/usr/bin/expect

set timeout  60
set host [lindex $argv 0]
set name root
set password root

spawn  ssh $host -l $name
expect {
   "(yes/no)?" {
       send "yes\n"
       expect "assword:"
       send "$password\n"
   }
       "assword:" {
       send "$password\n"
   }
}
send "uname -a\n"
#send "exit\r"
expect eof
exit



Code:
sshx -p 12345 dcplatform@10.125.42.50
sshx 127.0.0.1 -p 5555 "$CMD"
sshx root@$GUEST_IP "$CMD"

To goal is
Above cmd will not need to input password, I can't use public keys now, becasue I remote filesystem is readonly

Lei
 

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LEARN ABOUT SUSE

ssh-keysign

SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME

     ssh-keysign -- ssh helper program for host-based authentication

SYNOPSIS

     ssh-keysign

DESCRIPTION

     ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during host-based authentication with
     SSH protocol version 2.

     ssh-keysign is disabled by default and can only be enabled in the global client configuration file /etc/ssh/ssh_config by setting
     EnableSSHKeysign to ``yes''.

     ssh-keysign is not intended to be invoked by the user, but from ssh(1).  See ssh(1) and sshd(8) for more information about host-based authen-
     tication.

FILES

     /etc/ssh/ssh_config
	     Controls whether ssh-keysign is enabled.

     /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key
	     These files contain the private parts of the host keys used to generate the digital signature.  They should be owned by root, read-
	     able only by root, and not accessible to others.  Since they are readable only by root, ssh-keysign must be set-uid root if host-
	     based authentication is used.

SEE ALSO

     ssh(1), ssh-keygen(1), ssh_config(5), sshd(8)

HISTORY

     ssh-keysign first appeared in OpenBSD 3.2.

AUTHORS

     Markus Friedl <markus@openbsd.org>

BSD
								   May 31, 2007 							       BSD
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