To have a program to "type" a username/passwordfor me. How?

[Bryan O'Neal]

If SSH without passwords is what your after why not use key based
authentication?  Setting up keys is painfully simple.

Public key encryption
Generating keys for server A (the one with the data to be synced)

a at A:~> ssh-keygen -t rsa
	Enter file in which to save the key (/home/a/.ssh/id_rsa): 
	Created directory '/home/a/.ssh'.
	Enter passphrase (empty for no passphrase): 
	Enter same passphrase again: 
	Your identification has been saved in /home/a/.ssh/id_rsa.
	Your public key has been saved in /home/a/.ssh/id_rsa.pub.
	The key fingerprint is:
	3e:4f:05:79:3a:9f:96:7c:3b:ad:e9:58:37:bc:37:e4 a at A

Tell Server B to Accept the key
1. Create a directory ~/.ssh as user b on B
	a at A:~> ssh b at B mkdir -p .ssh
	b at B's password:: 
2. Append a's new public key to b at B:.ssh/authorized_keys
	a at A:~> cat .ssh/id_rsa.pub | ssh b at B 'cat >> .ssh/authorized_keys'
	b at B's password:: 
3. Change permissions for b's authorized_keys file
	a at A:~> ssh b at B chmod 0600 .ssh/authorized_keys
	b at B's password::  
Done
-----Original Message-----
From: plug-discuss-bounces at lists.plug.phoenix.az.us
[mailto:plug-discuss-bounces at lists.plug.phoenix.az.us] On Behalf Of
kitepilot at kitepilot.com
Sent: Friday, March 20, 2009 5:30 PM
To: Main PLUG discussion list
Subject: Re: To have a program to "type" a username/passwordfor me. How?

Ah well...
So much for skipping the research:
http://bash.cyberciti.biz/security/expect-ssh-login-script/ 

Darn it...
ET 

 


kitepilot at kitepilot.com writes: 

> To have a program to "type" a password for me. How?
> Hello widespread wisdom...  
> 
> I want to propagate public keys to several dozens of puters so I can 
> login passwordless.
> 
> I am not looking forward to typing (or cut'n pasting) a password a 
> gazillion times.  They all have the same username/password combination.
> 
> I know that expect can be used to "type" a password (or to fool passwd 
> to change a password without manual intervention), but I don't know how.
> 
> What I want is ti fire a loop to copy my keys to all the machines and 
> to have the program to "type" the username and the password to free me 
> up from the dull stuff.
> 
> This *HAS* to be possible, does anybody know how?
> Thanks!   :)
> ET
> 
> PS: No, I haven't researched this, this question is the beginning of 
> my research...
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